Home / 129,826.80-194,740.20-46,690.80

Finding the Fourth Proportional to 129,826.80, 194,740.20 and 46,690.80

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Solution

The fourth proportional to 129,826.80, 194,740.20 and 46,690.80 is: 70,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,826.80 : 194,740.20 = 46,690.80 : x
  2. Step 2: Convert to fraction form
    129,826.80/194,740.20 = 46,690.80/x
  3. Step 3: Cross multiply
    129,826.80x = 194,740.20 × 46,690.80
  4. Step 4: Simplify right side
    129,826.80x = 9,092,575,730.16
  5. Step 5: Solve for x
    x = 9,092,575,730.16/129,826.80
  6. Step 6: Final answer
    x = 70,036.20

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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.