Home / 105,451.68-158,191.44-38,938.56

Finding the Fourth Proportional to 105,451.68, 158,191.44 and 38,938.56

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Solution

The fourth proportional to 105,451.68, 158,191.44 and 38,938.56 is: 58,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,451.68 : 158,191.44 = 38,938.56 : x
  2. Step 2: Convert to fraction form
    105,451.68/158,191.44 = 38,938.56/x
  3. Step 3: Cross multiply
    105,451.68x = 158,191.44 × 38,938.56
  4. Step 4: Simplify right side
    105,451.68x = 6,159,746,877.93
  5. Step 5: Solve for x
    x = 6,159,746,877.93/105,451.68
  6. Step 6: Final answer
    x = 58,412.98

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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.