Home / 177,325.50-266,038.25-72,219.90

Finding the Fourth Proportional to 177,325.50, 266,038.25 and 72,219.90

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Solution

The fourth proportional to 177,325.50, 266,038.25 and 72,219.90 is: 108,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,325.50 : 266,038.25 = 72,219.90 : x
  2. Step 2: Convert to fraction form
    177,325.50/266,038.25 = 72,219.90/x
  3. Step 3: Cross multiply
    177,325.50x = 266,038.25 × 72,219.90
  4. Step 4: Simplify right side
    177,325.50x = 19,213,255,811.18
  5. Step 5: Solve for x
    x = 19,213,255,811.18/177,325.50
  6. Step 6: Final answer
    x = 108,350.21

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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.