Home / 191,184.14-286,776.19-91,040.71

Finding the Fourth Proportional to 191,184.14, 286,776.19 and 91,040.71

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Solution

The fourth proportional to 191,184.14, 286,776.19 and 91,040.71 is: 136,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,184.14 : 286,776.19 = 91,040.71 : x
  2. Step 2: Convert to fraction form
    191,184.14/286,776.19 = 91,040.71/x
  3. Step 3: Cross multiply
    191,184.14x = 286,776.19 × 91,040.71
  4. Step 4: Simplify right side
    191,184.14x = 26,108,306,059.61
  5. Step 5: Solve for x
    x = 26,108,306,059.61/191,184.14
  6. Step 6: Final answer
    x = 136,561.05

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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.