Home / 140,015.27-193,235.66-86,298.91

Finding the Fourth Proportional to 140,015.27, 193,235.66 and 86,298.91

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Solution

The fourth proportional to 140,015.27, 193,235.66 and 86,298.91 is: 119,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,015.27 : 193,235.66 = 86,298.91 : x
  2. Step 2: Convert to fraction form
    140,015.27/193,235.66 = 86,298.91/x
  3. Step 3: Cross multiply
    140,015.27x = 193,235.66 × 86,298.91
  4. Step 4: Simplify right side
    140,015.27x = 16,676,026,421.33
  5. Step 5: Solve for x
    x = 16,676,026,421.33/140,015.27
  6. Step 6: Final answer
    x = 119,101.48

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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.