Home / 102,207.27-141,050.67-56,888.15

Finding the Fourth Proportional to 102,207.27, 141,050.67 and 56,888.15

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Solution

The fourth proportional to 102,207.27, 141,050.67 and 56,888.15 is: 78,508.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.27 : 141,050.67 = 56,888.15 : x
  2. Step 2: Convert to fraction form
    102,207.27/141,050.67 = 56,888.15/x
  3. Step 3: Cross multiply
    102,207.27x = 141,050.67 × 56,888.15
  4. Step 4: Simplify right side
    102,207.27x = 8,024,110,967.31
  5. Step 5: Solve for x
    x = 8,024,110,967.31/102,207.27
  6. Step 6: Final answer
    x = 78,508.22

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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.