Home / 145,177.02-217,766.61-40,001.76

Finding the Fourth Proportional to 145,177.02, 217,766.61 and 40,001.76

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Solution

The fourth proportional to 145,177.02, 217,766.61 and 40,001.76 is: 60,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,177.02 : 217,766.61 = 40,001.76 : x
  2. Step 2: Convert to fraction form
    145,177.02/217,766.61 = 40,001.76/x
  3. Step 3: Cross multiply
    145,177.02x = 217,766.61 × 40,001.76
  4. Step 4: Simplify right side
    145,177.02x = 8,711,047,669.23
  5. Step 5: Solve for x
    x = 8,711,047,669.23/145,177.02
  6. Step 6: Final answer
    x = 60,002.94

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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.