Home / 157,096.20-235,644.30-121,666.80

Finding the Fourth Proportional to 157,096.20, 235,644.30 and 121,666.80

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Solution

The fourth proportional to 157,096.20, 235,644.30 and 121,666.80 is: 182,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,096.20 : 235,644.30 = 121,666.80 : x
  2. Step 2: Convert to fraction form
    157,096.20/235,644.30 = 121,666.80/x
  3. Step 3: Cross multiply
    157,096.20x = 235,644.30 × 121,666.80
  4. Step 4: Simplify right side
    157,096.20x = 28,670,087,919.24
  5. Step 5: Solve for x
    x = 28,670,087,919.24/157,096.20
  6. Step 6: Final answer
    x = 182,500.20

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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.