Home / 191,083.20-286,754.40-124,360.80

Finding the Fourth Proportional to 191,083.20, 286,754.40 and 124,360.80

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Solution

The fourth proportional to 191,083.20, 286,754.40 and 124,360.80 is: 186,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,083.20 : 286,754.40 = 124,360.80 : x
  2. Step 2: Convert to fraction form
    191,083.20/286,754.40 = 124,360.80/x
  3. Step 3: Cross multiply
    191,083.20x = 286,754.40 × 124,360.80
  4. Step 4: Simplify right side
    191,083.20x = 35,661,006,587.52
  5. Step 5: Solve for x
    x = 35,661,006,587.52/191,083.20
  6. Step 6: Final answer
    x = 186,625.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.