Home / 140,525.40-193,925.10-76,869.08

Finding the Fourth Proportional to 140,525.40, 193,925.10 and 76,869.08

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Solution

The fourth proportional to 140,525.40, 193,925.10 and 76,869.08 is: 106,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,525.40 : 193,925.10 = 76,869.08 : x
  2. Step 2: Convert to fraction form
    140,525.40/193,925.10 = 76,869.08/x
  3. Step 3: Cross multiply
    140,525.40x = 193,925.10 × 76,869.08
  4. Step 4: Simplify right side
    140,525.40x = 14,906,844,025.91
  5. Step 5: Solve for x
    x = 14,906,844,025.91/140,525.40
  6. Step 6: Final answer
    x = 106,079.36

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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.