Home / 147,160.76-203,057.39-86,723.18

Finding the Fourth Proportional to 147,160.76, 203,057.39 and 86,723.18

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Solution

The fourth proportional to 147,160.76, 203,057.39 and 86,723.18 is: 119,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,160.76 : 203,057.39 = 86,723.18 : x
  2. Step 2: Convert to fraction form
    147,160.76/203,057.39 = 86,723.18/x
  3. Step 3: Cross multiply
    147,160.76x = 203,057.39 × 86,723.18
  4. Step 4: Simplify right side
    147,160.76x = 17,609,781,568.01
  5. Step 5: Solve for x
    x = 17,609,781,568.01/147,160.76
  6. Step 6: Final answer
    x = 119,663.57

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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.