Home / 527,483.04-791,213.76-128,125.92

Finding the Fourth Proportional to 527,483.04, 791,213.76 and 128,125.92

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Solution

The fourth proportional to 527,483.04, 791,213.76 and 128,125.92 is: 192,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,483.04 : 791,213.76 = 128,125.92 : x
  2. Step 2: Convert to fraction form
    527,483.04/791,213.76 = 128,125.92/x
  3. Step 3: Cross multiply
    527,483.04x = 791,213.76 × 128,125.92
  4. Step 4: Simplify right side
    527,483.04x = 101,374,990,916.66
  5. Step 5: Solve for x
    x = 101,374,990,916.66/527,483.04
  6. Step 6: Final answer
    x = 192,186.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.