Home / 98,149.24-147,223.86-64,861.48

Finding the Fourth Proportional to 98,149.24, 147,223.86 and 64,861.48

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Solution

The fourth proportional to 98,149.24, 147,223.86 and 64,861.48 is: 97,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,149.24 : 147,223.86 = 64,861.48 : x
  2. Step 2: Convert to fraction form
    98,149.24/147,223.86 = 64,861.48/x
  3. Step 3: Cross multiply
    98,149.24x = 147,223.86 × 64,861.48
  4. Step 4: Simplify right side
    98,149.24x = 9,549,157,450.91
  5. Step 5: Solve for x
    x = 9,549,157,450.91/98,149.24
  6. Step 6: Final answer
    x = 97,292.22

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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.