Home / 105,191.45-157,781.80-38,626.46

Finding the Fourth Proportional to 105,191.45, 157,781.80 and 38,626.46

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Solution

The fourth proportional to 105,191.45, 157,781.80 and 38,626.46 is: 57,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191.45 : 157,781.80 = 38,626.46 : x
  2. Step 2: Convert to fraction form
    105,191.45/157,781.80 = 38,626.46/x
  3. Step 3: Cross multiply
    105,191.45x = 157,781.80 × 38,626.46
  4. Step 4: Simplify right side
    105,191.45x = 6,094,552,386.43
  5. Step 5: Solve for x
    x = 6,094,552,386.43/105,191.45
  6. Step 6: Final answer
    x = 57,937.72

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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.