Home / 144,897.12-217,359.50-45,030.42

Finding the Fourth Proportional to 144,897.12, 217,359.50 and 45,030.42

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Solution

The fourth proportional to 144,897.12, 217,359.50 and 45,030.42 is: 67,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,897.12 : 217,359.50 = 45,030.42 : x
  2. Step 2: Convert to fraction form
    144,897.12/217,359.50 = 45,030.42/x
  3. Step 3: Cross multiply
    144,897.12x = 217,359.50 × 45,030.42
  4. Step 4: Simplify right side
    144,897.12x = 9,787,789,350.84
  5. Step 5: Solve for x
    x = 9,787,789,350.84/144,897.12
  6. Step 6: Final answer
    x = 67,549.92

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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.