Home / 147,170.55-203,095.76-83,508.18

Finding the Fourth Proportional to 147,170.55, 203,095.76 and 83,508.18

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Solution

The fourth proportional to 147,170.55, 203,095.76 and 83,508.18 is: 115,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,170.55 : 203,095.76 = 83,508.18 : x
  2. Step 2: Convert to fraction form
    147,170.55/203,095.76 = 83,508.18/x
  3. Step 3: Cross multiply
    147,170.55x = 203,095.76 × 83,508.18
  4. Step 4: Simplify right side
    147,170.55x = 16,960,157,283.32
  5. Step 5: Solve for x
    x = 16,960,157,283.32/147,170.55
  6. Step 6: Final answer
    x = 115,241.52

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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.