Home / 98,746.56-148,440.63-79,238.52

Finding the Fourth Proportional to 98,746.56, 148,440.63 and 79,238.52

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Solution

The fourth proportional to 98,746.56, 148,440.63 and 79,238.52 is: 119,115.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.56 : 148,440.63 = 79,238.52 : x
  2. Step 2: Convert to fraction form
    98,746.56/148,440.63 = 79,238.52/x
  3. Step 3: Cross multiply
    98,746.56x = 148,440.63 × 79,238.52
  4. Step 4: Simplify right side
    98,746.56x = 11,762,215,829.07
  5. Step 5: Solve for x
    x = 11,762,215,829.07/98,746.56
  6. Step 6: Final answer
    x = 119,115.20

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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.