Home / 144,720.74-217,061.39-38,095.76

Finding the Fourth Proportional to 144,720.74, 217,061.39 and 38,095.76

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Solution

The fourth proportional to 144,720.74, 217,061.39 and 38,095.76 is: 57,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,720.74 : 217,061.39 = 38,095.76 : x
  2. Step 2: Convert to fraction form
    144,720.74/217,061.39 = 38,095.76/x
  3. Step 3: Cross multiply
    144,720.74x = 217,061.39 × 38,095.76
  4. Step 4: Simplify right side
    144,720.74x = 8,269,119,256.60
  5. Step 5: Solve for x
    x = 8,269,119,256.60/144,720.74
  6. Step 6: Final answer
    x = 57,138.45

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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.