Home / 108,920.04-150,298.34-73,102.76

Finding the Fourth Proportional to 108,920.04, 150,298.34 and 73,102.76

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Solution

The fourth proportional to 108,920.04, 150,298.34 and 73,102.76 is: 100,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,920.04 : 150,298.34 = 73,102.76 : x
  2. Step 2: Convert to fraction form
    108,920.04/150,298.34 = 73,102.76/x
  3. Step 3: Cross multiply
    108,920.04x = 150,298.34 × 73,102.76
  4. Step 4: Simplify right side
    108,920.04x = 10,987,223,477.42
  5. Step 5: Solve for x
    x = 10,987,223,477.42/108,920.04
  6. Step 6: Final answer
    x = 100,874.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.