Home / 367,631.10-551,446.65-157,290.30

Finding the Fourth Proportional to 367,631.10, 551,446.65 and 157,290.30

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Solution

The fourth proportional to 367,631.10, 551,446.65 and 157,290.30 is: 235,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,631.10 : 551,446.65 = 157,290.30 : x
  2. Step 2: Convert to fraction form
    367,631.10/551,446.65 = 157,290.30/x
  3. Step 3: Cross multiply
    367,631.10x = 551,446.65 × 157,290.30
  4. Step 4: Simplify right side
    367,631.10x = 86,737,209,012.50
  5. Step 5: Solve for x
    x = 86,737,209,012.50/367,631.10
  6. Step 6: Final answer
    x = 235,935.45

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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.