Home / 156,933.60-235,400.40-97,009.80

Finding the Fourth Proportional to 156,933.60, 235,400.40 and 97,009.80

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Solution

The fourth proportional to 156,933.60, 235,400.40 and 97,009.80 is: 145,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,933.60 : 235,400.40 = 97,009.80 : x
  2. Step 2: Convert to fraction form
    156,933.60/235,400.40 = 97,009.80/x
  3. Step 3: Cross multiply
    156,933.60x = 235,400.40 × 97,009.80
  4. Step 4: Simplify right side
    156,933.60x = 22,836,145,723.92
  5. Step 5: Solve for x
    x = 22,836,145,723.92/156,933.60
  6. Step 6: Final answer
    x = 145,514.70

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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.