Home / 191,727.95-287,491.19-85,065.69

Finding the Fourth Proportional to 191,727.95, 287,491.19 and 85,065.69

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Solution

The fourth proportional to 191,727.95, 287,491.19 and 85,065.69 is: 127,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727.95 : 287,491.19 = 85,065.69 : x
  2. Step 2: Convert to fraction form
    191,727.95/287,491.19 = 85,065.69/x
  3. Step 3: Cross multiply
    191,727.95x = 287,491.19 × 85,065.69
  4. Step 4: Simplify right side
    191,727.95x = 24,455,637,577.53
  5. Step 5: Solve for x
    x = 24,455,637,577.53/191,727.95
  6. Step 6: Final answer
    x = 127,553.85

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1.5x scale

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.