Home / 140,237.64-193,543.20-86,521.32

Finding the Fourth Proportional to 140,237.64, 193,543.20 and 86,521.32

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Solution

The fourth proportional to 140,237.64, 193,543.20 and 86,521.32 is: 119,408.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.64 : 193,543.20 = 86,521.32 : x
  2. Step 2: Convert to fraction form
    140,237.64/193,543.20 = 86,521.32/x
  3. Step 3: Cross multiply
    140,237.64x = 193,543.20 × 86,521.32
  4. Step 4: Simplify right side
    140,237.64x = 16,745,613,141.02
  5. Step 5: Solve for x
    x = 16,745,613,141.02/140,237.64
  6. Step 6: Final answer
    x = 119,408.83

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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.