Home / 304,685.10-457,070.18-127,151.42

Finding the Fourth Proportional to 304,685.10, 457,070.18 and 127,151.42

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Solution

The fourth proportional to 304,685.10, 457,070.18 and 127,151.42 is: 190,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,685.10 : 457,070.18 = 127,151.42 : x
  2. Step 2: Convert to fraction form
    304,685.10/457,070.18 = 127,151.42/x
  3. Step 3: Cross multiply
    304,685.10x = 457,070.18 × 127,151.42
  4. Step 4: Simplify right side
    304,685.10x = 58,117,119,505.55
  5. Step 5: Solve for x
    x = 58,117,119,505.55/304,685.10
  6. Step 6: Final answer
    x = 190,744.87

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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.