Home / 147,931.92-204,088.68-94,207.32

Finding the Fourth Proportional to 147,931.92, 204,088.68 and 94,207.32

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Solution

The fourth proportional to 147,931.92, 204,088.68 and 94,207.32 is: 129,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,931.92 : 204,088.68 = 94,207.32 : x
  2. Step 2: Convert to fraction form
    147,931.92/204,088.68 = 94,207.32/x
  3. Step 3: Cross multiply
    147,931.92x = 204,088.68 × 94,207.32
  4. Step 4: Simplify right side
    147,931.92x = 19,226,647,585.14
  5. Step 5: Solve for x
    x = 19,226,647,585.14/147,931.92
  6. Step 6: Final answer
    x = 129,969.57

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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.