Home / 103,526.20-155,289.30-91,060.30

Finding the Fourth Proportional to 103,526.20, 155,289.30 and 91,060.30

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Solution

The fourth proportional to 103,526.20, 155,289.30 and 91,060.30 is: 136,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,526.20 : 155,289.30 = 91,060.30 : x
  2. Step 2: Convert to fraction form
    103,526.20/155,289.30 = 91,060.30/x
  3. Step 3: Cross multiply
    103,526.20x = 155,289.30 × 91,060.30
  4. Step 4: Simplify right side
    103,526.20x = 14,140,690,244.79
  5. Step 5: Solve for x
    x = 14,140,690,244.79/103,526.20
  6. Step 6: Final answer
    x = 136,590.45

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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.