Home / 191,724.20-287,586.30-180,837.80

Finding the Fourth Proportional to 191,724.20, 287,586.30 and 180,837.80

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Solution

The fourth proportional to 191,724.20, 287,586.30 and 180,837.80 is: 271,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,724.20 : 287,586.30 = 180,837.80 : x
  2. Step 2: Convert to fraction form
    191,724.20/287,586.30 = 180,837.80/x
  3. Step 3: Cross multiply
    191,724.20x = 287,586.30 × 180,837.80
  4. Step 4: Simplify right side
    191,724.20x = 52,006,473,802.14
  5. Step 5: Solve for x
    x = 52,006,473,802.14/191,724.20
  6. Step 6: Final answer
    x = 271,256.70

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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.