Home / 103,656.15-155,486.66-37,100.88

Finding the Fourth Proportional to 103,656.15, 155,486.66 and 37,100.88

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Solution

The fourth proportional to 103,656.15, 155,486.66 and 37,100.88 is: 55,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.15 : 155,486.66 = 37,100.88 : x
  2. Step 2: Convert to fraction form
    103,656.15/155,486.66 = 37,100.88/x
  3. Step 3: Cross multiply
    103,656.15x = 155,486.66 × 37,100.88
  4. Step 4: Simplify right side
    103,656.15x = 5,768,691,728.76
  5. Step 5: Solve for x
    x = 5,768,691,728.76/103,656.15
  6. Step 6: Final answer
    x = 55,652.19

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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.