Home / 130,363.04-179,903.68-73,774.40

Finding the Fourth Proportional to 130,363.04, 179,903.68 and 73,774.40

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Solution

The fourth proportional to 130,363.04, 179,903.68 and 73,774.40 is: 101,810.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,363.04 : 179,903.68 = 73,774.40 : x
  2. Step 2: Convert to fraction form
    130,363.04/179,903.68 = 73,774.40/x
  3. Step 3: Cross multiply
    130,363.04x = 179,903.68 × 73,774.40
  4. Step 4: Simplify right side
    130,363.04x = 13,272,286,049.79
  5. Step 5: Solve for x
    x = 13,272,286,049.79/130,363.04
  6. Step 6: Final answer
    x = 101,810.19

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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.