Home / 140,047.29-193,265.15-76,384.89

Finding the Fourth Proportional to 140,047.29, 193,265.15 and 76,384.89

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Solution

The fourth proportional to 140,047.29, 193,265.15 and 76,384.89 is: 105,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,047.29 : 193,265.15 = 76,384.89 : x
  2. Step 2: Convert to fraction form
    140,047.29/193,265.15 = 76,384.89/x
  3. Step 3: Cross multiply
    140,047.29x = 193,265.15 × 76,384.89
  4. Step 4: Simplify right side
    140,047.29x = 14,762,536,841.66
  5. Step 5: Solve for x
    x = 14,762,536,841.66/140,047.29
  6. Step 6: Final answer
    x = 105,411.09

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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.