Home / 180,311.28-247,526.57-154,773.31

Finding the Fourth Proportional to 180,311.28, 247,526.57 and 154,773.31

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Solution

The fourth proportional to 180,311.28, 247,526.57 and 154,773.31 is: 212,468.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,311.28 : 247,526.57 = 154,773.31 : x
  2. Step 2: Convert to fraction form
    180,311.28/247,526.57 = 154,773.31/x
  3. Step 3: Cross multiply
    180,311.28x = 247,526.57 × 154,773.31
  4. Step 4: Simplify right side
    180,311.28x = 38,310,506,551.85
  5. Step 5: Solve for x
    x = 38,310,506,551.85/180,311.28
  6. Step 6: Final answer
    x = 212,468.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.