Home / 147,314.38-203,318.31-86,899.87

Finding the Fourth Proportional to 147,314.38, 203,318.31 and 86,899.87

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Solution

The fourth proportional to 147,314.38, 203,318.31 and 86,899.87 is: 119,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.38 : 203,318.31 = 86,899.87 : x
  2. Step 2: Convert to fraction form
    147,314.38/203,318.31 = 86,899.87/x
  3. Step 3: Cross multiply
    147,314.38x = 203,318.31 × 86,899.87
  4. Step 4: Simplify right side
    147,314.38x = 17,668,334,707.62
  5. Step 5: Solve for x
    x = 17,668,334,707.62/147,314.38
  6. Step 6: Final answer
    x = 119,936.25

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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.