Home / 157,020.18-235,441.05-107,160.68

Finding the Fourth Proportional to 157,020.18, 235,441.05 and 107,160.68

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Solution

The fourth proportional to 157,020.18, 235,441.05 and 107,160.68 is: 160,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,020.18 : 235,441.05 = 107,160.68 : x
  2. Step 2: Convert to fraction form
    157,020.18/235,441.05 = 107,160.68/x
  3. Step 3: Cross multiply
    157,020.18x = 235,441.05 × 107,160.68
  4. Step 4: Simplify right side
    157,020.18x = 25,230,023,017.91
  5. Step 5: Solve for x
    x = 25,230,023,017.91/157,020.18
  6. Step 6: Final answer
    x = 160,680.13

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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.