Home / 129,066.15-193,555.56-49,085.12

Finding the Fourth Proportional to 129,066.15, 193,555.56 and 49,085.12

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Solution

The fourth proportional to 129,066.15, 193,555.56 and 49,085.12 is: 73,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,066.15 : 193,555.56 = 49,085.12 : x
  2. Step 2: Convert to fraction form
    129,066.15/193,555.56 = 49,085.12/x
  3. Step 3: Cross multiply
    129,066.15x = 193,555.56 × 49,085.12
  4. Step 4: Simplify right side
    129,066.15x = 9,500,696,921.49
  5. Step 5: Solve for x
    x = 9,500,696,921.49/129,066.15
  6. Step 6: Final answer
    x = 73,611.07

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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.