Home / 157,648.68-236,050.20-98,366.40

Finding the Fourth Proportional to 157,648.68, 236,050.20 and 98,366.40

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Solution

The fourth proportional to 157,648.68, 236,050.20 and 98,366.40 is: 147,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.68 : 236,050.20 = 98,366.40 : x
  2. Step 2: Convert to fraction form
    157,648.68/236,050.20 = 98,366.40/x
  3. Step 3: Cross multiply
    157,648.68x = 236,050.20 × 98,366.40
  4. Step 4: Simplify right side
    157,648.68x = 23,219,408,393.28
  5. Step 5: Solve for x
    x = 23,219,408,393.28/157,648.68
  6. Step 6: Final answer
    x = 147,285.78

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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.