Home / 151,000.15-208,381.62-83,017.61

Finding the Fourth Proportional to 151,000.15, 208,381.62 and 83,017.61

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Solution

The fourth proportional to 151,000.15, 208,381.62 and 83,017.61 is: 114,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,000.15 : 208,381.62 = 83,017.61 : x
  2. Step 2: Convert to fraction form
    151,000.15/208,381.62 = 83,017.61/x
  3. Step 3: Cross multiply
    151,000.15x = 208,381.62 × 83,017.61
  4. Step 4: Simplify right side
    151,000.15x = 17,299,344,060.33
  5. Step 5: Solve for x
    x = 17,299,344,060.33/151,000.15
  6. Step 6: Final answer
    x = 114,565.08

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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.