Home / 157,780.60-236,555.70-64,238.20

Finding the Fourth Proportional to 157,780.60, 236,555.70 and 64,238.20

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Solution

The fourth proportional to 157,780.60, 236,555.70 and 64,238.20 is: 96,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,780.60 : 236,555.70 = 64,238.20 : x
  2. Step 2: Convert to fraction form
    157,780.60/236,555.70 = 64,238.20/x
  3. Step 3: Cross multiply
    157,780.60x = 236,555.70 × 64,238.20
  4. Step 4: Simplify right side
    157,780.60x = 15,195,912,367.74
  5. Step 5: Solve for x
    x = 15,195,912,367.74/157,780.60
  6. Step 6: Final answer
    x = 96,310.40

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1.5x scale

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.