Home / 102,253.43-141,108.39-59,238.78

Finding the Fourth Proportional to 102,253.43, 141,108.39 and 59,238.78

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Solution

The fourth proportional to 102,253.43, 141,108.39 and 59,238.78 is: 81,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,253.43 : 141,108.39 = 59,238.78 : x
  2. Step 2: Convert to fraction form
    102,253.43/141,108.39 = 59,238.78/x
  3. Step 3: Cross multiply
    102,253.43x = 141,108.39 × 59,238.78
  4. Step 4: Simplify right side
    102,253.43x = 8,359,088,871.36
  5. Step 5: Solve for x
    x = 8,359,088,871.36/102,253.43
  6. Step 6: Final answer
    x = 81,748.74

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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.