Home / 527,543.53-791,316.29-128,184.64

Finding the Fourth Proportional to 527,543.53, 791,316.29 and 128,184.64

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Solution

The fourth proportional to 527,543.53, 791,316.29 and 128,184.64 is: 192,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,543.53 : 791,316.29 = 128,184.64 : x
  2. Step 2: Convert to fraction form
    527,543.53/791,316.29 = 128,184.64/x
  3. Step 3: Cross multiply
    527,543.53x = 791,316.29 × 128,184.64
  4. Step 4: Simplify right side
    527,543.53x = 101,434,593,118.86
  5. Step 5: Solve for x
    x = 101,434,593,118.86/527,543.53
  6. Step 6: Final answer
    x = 192,277.20

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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.