Home / 98,250.72-147,332.80-28,114.08

Finding the Fourth Proportional to 98,250.72, 147,332.80 and 28,114.08

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Solution

The fourth proportional to 98,250.72, 147,332.80 and 28,114.08 is: 42,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,250.72 : 147,332.80 = 28,114.08 : x
  2. Step 2: Convert to fraction form
    98,250.72/147,332.80 = 28,114.08/x
  3. Step 3: Cross multiply
    98,250.72x = 147,332.80 × 28,114.08
  4. Step 4: Simplify right side
    98,250.72x = 4,142,126,125.82
  5. Step 5: Solve for x
    x = 4,142,126,125.82/98,250.72
  6. Step 6: Final answer
    x = 42,158.74

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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.