Home / 144,828.18-217,304.10-74,756.70

Finding the Fourth Proportional to 144,828.18, 217,304.10 and 74,756.70

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Solution

The fourth proportional to 144,828.18, 217,304.10 and 74,756.70 is: 112,166.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828.18 : 217,304.10 = 74,756.70 : x
  2. Step 2: Convert to fraction form
    144,828.18/217,304.10 = 74,756.70/x
  3. Step 3: Cross multiply
    144,828.18x = 217,304.10 × 74,756.70
  4. Step 4: Simplify right side
    144,828.18x = 16,244,937,412.47
  5. Step 5: Solve for x
    x = 16,244,937,412.47/144,828.18
  6. Step 6: Final answer
    x = 112,166.97

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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.