Home / 163,127.10-244,366.65-143,643.90

Finding the Fourth Proportional to 163,127.10, 244,366.65 and 143,643.90

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Solution

The fourth proportional to 163,127.10, 244,366.65 and 143,643.90 is: 215,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,127.10 : 244,366.65 = 143,643.90 : x
  2. Step 2: Convert to fraction form
    163,127.10/244,366.65 = 143,643.90/x
  3. Step 3: Cross multiply
    163,127.10x = 244,366.65 × 143,643.90
  4. Step 4: Simplify right side
    163,127.10x = 35,101,778,635.94
  5. Step 5: Solve for x
    x = 35,101,778,635.94/163,127.10
  6. Step 6: Final answer
    x = 215,180.55

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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.