Home / 140,400.02-193,752.18-76,737.86

Finding the Fourth Proportional to 140,400.02, 193,752.18 and 76,737.86

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Solution

The fourth proportional to 140,400.02, 193,752.18 and 76,737.86 is: 105,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,400.02 : 193,752.18 = 76,737.86 : x
  2. Step 2: Convert to fraction form
    140,400.02/193,752.18 = 76,737.86/x
  3. Step 3: Cross multiply
    140,400.02x = 193,752.18 × 76,737.86
  4. Step 4: Simplify right side
    140,400.02x = 14,868,127,663.53
  5. Step 5: Solve for x
    x = 14,868,127,663.53/140,400.02
  6. Step 6: Final answer
    x = 105,898.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.