Home / 238,421.07-329,002.16-136,423.17

Finding the Fourth Proportional to 238,421.07, 329,002.16 and 136,423.17

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Solution

The fourth proportional to 238,421.07, 329,002.16 and 136,423.17 is: 188,253.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.07 : 329,002.16 = 136,423.17 : x
  2. Step 2: Convert to fraction form
    238,421.07/329,002.16 = 136,423.17/x
  3. Step 3: Cross multiply
    238,421.07x = 329,002.16 × 136,423.17
  4. Step 4: Simplify right side
    238,421.07x = 44,883,516,921.93
  5. Step 5: Solve for x
    x = 44,883,516,921.93/238,421.07
  6. Step 6: Final answer
    x = 188,253.15

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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.