Home / 129,285.77-193,928.67-40,547.03

Finding the Fourth Proportional to 129,285.77, 193,928.67 and 40,547.03

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Solution

The fourth proportional to 129,285.77, 193,928.67 and 40,547.03 is: 60,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,285.77 : 193,928.67 = 40,547.03 : x
  2. Step 2: Convert to fraction form
    129,285.77/193,928.67 = 40,547.03/x
  3. Step 3: Cross multiply
    129,285.77x = 193,928.67 × 40,547.03
  4. Step 4: Simplify right side
    129,285.77x = 7,863,231,600.35
  5. Step 5: Solve for x
    x = 7,863,231,600.35/129,285.77
  6. Step 6: Final answer
    x = 60,820.55

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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.