Home / 141,048.02-194,479.61-115,460.12

Finding the Fourth Proportional to 141,048.02, 194,479.61 and 115,460.12

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Solution

The fourth proportional to 141,048.02, 194,479.61 and 115,460.12 is: 159,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,048.02 : 194,479.61 = 115,460.12 : x
  2. Step 2: Convert to fraction form
    141,048.02/194,479.61 = 115,460.12/x
  3. Step 3: Cross multiply
    141,048.02x = 194,479.61 × 115,460.12
  4. Step 4: Simplify right side
    141,048.02x = 22,454,639,108.15
  5. Step 5: Solve for x
    x = 22,454,639,108.15/141,048.02
  6. Step 6: Final answer
    x = 159,198.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.