Home / 128,699.24-193,116.15-93,451.73

Finding the Fourth Proportional to 128,699.24, 193,116.15 and 93,451.73

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Solution

The fourth proportional to 128,699.24, 193,116.15 and 93,451.73 is: 140,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,699.24 : 193,116.15 = 93,451.73 : x
  2. Step 2: Convert to fraction form
    128,699.24/193,116.15 = 93,451.73/x
  3. Step 3: Cross multiply
    128,699.24x = 193,116.15 × 93,451.73
  4. Step 4: Simplify right side
    128,699.24x = 18,047,037,342.86
  5. Step 5: Solve for x
    x = 18,047,037,342.86/128,699.24
  6. Step 6: Final answer
    x = 140,226.45

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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.