Home / 129,114.15-193,671.36-40,368.12

Finding the Fourth Proportional to 129,114.15, 193,671.36 and 40,368.12

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Solution

The fourth proportional to 129,114.15, 193,671.36 and 40,368.12 is: 60,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,114.15 : 193,671.36 = 40,368.12 : x
  2. Step 2: Convert to fraction form
    129,114.15/193,671.36 = 40,368.12/x
  3. Step 3: Cross multiply
    129,114.15x = 193,671.36 × 40,368.12
  4. Step 4: Simplify right side
    129,114.15x = 7,818,148,701.04
  5. Step 5: Solve for x
    x = 7,818,148,701.04/129,114.15
  6. Step 6: Final answer
    x = 60,552.22

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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.