Home / 144,303.20-216,434.50-49,531.84

Finding the Fourth Proportional to 144,303.20, 216,434.50 and 49,531.84

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Solution

The fourth proportional to 144,303.20, 216,434.50 and 49,531.84 is: 74,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,303.20 : 216,434.50 = 49,531.84 : x
  2. Step 2: Convert to fraction form
    144,303.20/216,434.50 = 49,531.84/x
  3. Step 3: Cross multiply
    144,303.20x = 216,434.50 × 49,531.84
  4. Step 4: Simplify right side
    144,303.20x = 10,720,399,024.48
  5. Step 5: Solve for x
    x = 10,720,399,024.48/144,303.20
  6. Step 6: Final answer
    x = 74,290.79

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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.