Home / 191,206.62-286,807.50-85,951.17

Finding the Fourth Proportional to 191,206.62, 286,807.50 and 85,951.17

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Solution

The fourth proportional to 191,206.62, 286,807.50 and 85,951.17 is: 128,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.62 : 286,807.50 = 85,951.17 : x
  2. Step 2: Convert to fraction form
    191,206.62/286,807.50 = 85,951.17/x
  3. Step 3: Cross multiply
    191,206.62x = 286,807.50 × 85,951.17
  4. Step 4: Simplify right side
    191,206.62x = 24,651,440,189.78
  5. Step 5: Solve for x
    x = 24,651,440,189.78/191,206.62
  6. Step 6: Final answer
    x = 128,925.66

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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.