Home / 191,282.42-286,800.56-91,440.38

Finding the Fourth Proportional to 191,282.42, 286,800.56 and 91,440.38

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Solution

The fourth proportional to 191,282.42, 286,800.56 and 91,440.38 is: 137,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,282.42 : 286,800.56 = 91,440.38 : x
  2. Step 2: Convert to fraction form
    191,282.42/286,800.56 = 91,440.38/x
  3. Step 3: Cross multiply
    191,282.42x = 286,800.56 × 91,440.38
  4. Step 4: Simplify right side
    191,282.42x = 26,225,152,190.61
  5. Step 5: Solve for x
    x = 26,225,152,190.61/191,282.42
  6. Step 6: Final answer
    x = 137,101.74

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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.