Home / 101,542.20-152,313.30-26,657.40

Finding the Fourth Proportional to 101,542.20, 152,313.30 and 26,657.40

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Solution

The fourth proportional to 101,542.20, 152,313.30 and 26,657.40 is: 39,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,542.20 : 152,313.30 = 26,657.40 : x
  2. Step 2: Convert to fraction form
    101,542.20/152,313.30 = 26,657.40/x
  3. Step 3: Cross multiply
    101,542.20x = 152,313.30 × 26,657.40
  4. Step 4: Simplify right side
    101,542.20x = 4,060,276,563.42
  5. Step 5: Solve for x
    x = 4,060,276,563.42/101,542.20
  6. Step 6: Final answer
    x = 39,986.10

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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.