Home / 156,949.40-235,424.10-137,266.40

Finding the Fourth Proportional to 156,949.40, 235,424.10 and 137,266.40

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Solution

The fourth proportional to 156,949.40, 235,424.10 and 137,266.40 is: 205,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,949.40 : 235,424.10 = 137,266.40 : x
  2. Step 2: Convert to fraction form
    156,949.40/235,424.10 = 137,266.40/x
  3. Step 3: Cross multiply
    156,949.40x = 235,424.10 × 137,266.40
  4. Step 4: Simplify right side
    156,949.40x = 32,315,818,680.24
  5. Step 5: Solve for x
    x = 32,315,818,680.24/156,949.40
  6. Step 6: Final answer
    x = 205,899.60

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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.