Home / 177,885.90-266,827.37-72,631.04

Finding the Fourth Proportional to 177,885.90, 266,827.37 and 72,631.04

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Solution

The fourth proportional to 177,885.90, 266,827.37 and 72,631.04 is: 108,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,885.90 : 266,827.37 = 72,631.04 : x
  2. Step 2: Convert to fraction form
    177,885.90/266,827.37 = 72,631.04/x
  3. Step 3: Cross multiply
    177,885.90x = 266,827.37 × 72,631.04
  4. Step 4: Simplify right side
    177,885.90x = 19,379,947,686.27
  5. Step 5: Solve for x
    x = 19,379,947,686.27/177,885.90
  6. Step 6: Final answer
    x = 108,945.95

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1.5x scale

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.