Home / 98,261.24-147,366.34-28,124.15

Finding the Fourth Proportional to 98,261.24, 147,366.34 and 28,124.15

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Solution

The fourth proportional to 98,261.24, 147,366.34 and 28,124.15 is: 42,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,261.24 : 147,366.34 = 28,124.15 : x
  2. Step 2: Convert to fraction form
    98,261.24/147,366.34 = 28,124.15/x
  3. Step 3: Cross multiply
    98,261.24x = 147,366.34 × 28,124.15
  4. Step 4: Simplify right side
    98,261.24x = 4,144,552,243.97
  5. Step 5: Solve for x
    x = 4,144,552,243.97/98,261.24
  6. Step 6: Final answer
    x = 42,178.91

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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.