Home / 140,126.04-193,373.94-99,909.87

Finding the Fourth Proportional to 140,126.04, 193,373.94 and 99,909.87

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Solution

The fourth proportional to 140,126.04, 193,373.94 and 99,909.87 is: 137,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.04 : 193,373.94 = 99,909.87 : x
  2. Step 2: Convert to fraction form
    140,126.04/193,373.94 = 99,909.87/x
  3. Step 3: Cross multiply
    140,126.04x = 193,373.94 × 99,909.87
  4. Step 4: Simplify right side
    140,126.04x = 19,319,965,411.49
  5. Step 5: Solve for x
    x = 19,319,965,411.49/140,126.04
  6. Step 6: Final answer
    x = 137,875.62

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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.