Home / 102,528.40-153,816.90-52,616.20

Finding the Fourth Proportional to 102,528.40, 153,816.90 and 52,616.20

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Solution

The fourth proportional to 102,528.40, 153,816.90 and 52,616.20 is: 78,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.40 : 153,816.90 = 52,616.20 : x
  2. Step 2: Convert to fraction form
    102,528.40/153,816.90 = 52,616.20/x
  3. Step 3: Cross multiply
    102,528.40x = 153,816.90 × 52,616.20
  4. Step 4: Simplify right side
    102,528.40x = 8,093,260,773.78
  5. Step 5: Solve for x
    x = 8,093,260,773.78/102,528.40
  6. Step 6: Final answer
    x = 78,936.77

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1.5x scale

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.