Home / 177,421.20-266,261.40-118,237.20

Finding the Fourth Proportional to 177,421.20, 266,261.40 and 118,237.20

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Solution

The fourth proportional to 177,421.20, 266,261.40 and 118,237.20 is: 177,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,421.20 : 266,261.40 = 118,237.20 : x
  2. Step 2: Convert to fraction form
    177,421.20/266,261.40 = 118,237.20/x
  3. Step 3: Cross multiply
    177,421.20x = 266,261.40 × 118,237.20
  4. Step 4: Simplify right side
    177,421.20x = 31,482,002,404.08
  5. Step 5: Solve for x
    x = 31,482,002,404.08/177,421.20
  6. Step 6: Final answer
    x = 177,442.17

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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.