Home / 98,418.24-147,633.48-28,298.16

Finding the Fourth Proportional to 98,418.24, 147,633.48 and 28,298.16

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Solution

The fourth proportional to 98,418.24, 147,633.48 and 28,298.16 is: 42,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,418.24 : 147,633.48 = 28,298.16 : x
  2. Step 2: Convert to fraction form
    98,418.24/147,633.48 = 28,298.16/x
  3. Step 3: Cross multiply
    98,418.24x = 147,633.48 × 28,298.16
  4. Step 4: Simplify right side
    98,418.24x = 4,177,755,838.40
  5. Step 5: Solve for x
    x = 4,177,755,838.40/98,418.24
  6. Step 6: Final answer
    x = 42,449.00

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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.