Home / 144,734.18-217,109.79-55,988.15

Finding the Fourth Proportional to 144,734.18, 217,109.79 and 55,988.15

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Solution

The fourth proportional to 144,734.18, 217,109.79 and 55,988.15 is: 83,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,734.18 : 217,109.79 = 55,988.15 : x
  2. Step 2: Convert to fraction form
    144,734.18/217,109.79 = 55,988.15/x
  3. Step 3: Cross multiply
    144,734.18x = 217,109.79 × 55,988.15
  4. Step 4: Simplify right side
    144,734.18x = 12,155,574,403.44
  5. Step 5: Solve for x
    x = 12,155,574,403.44/144,734.18
  6. Step 6: Final answer
    x = 83,985.52

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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.