Home / 130,026.26-179,449.16-76,310.13

Finding the Fourth Proportional to 130,026.26, 179,449.16 and 76,310.13

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Solution

The fourth proportional to 130,026.26, 179,449.16 and 76,310.13 is: 105,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,026.26 : 179,449.16 = 76,310.13 : x
  2. Step 2: Convert to fraction form
    130,026.26/179,449.16 = 76,310.13/x
  3. Step 3: Cross multiply
    130,026.26x = 179,449.16 × 76,310.13
  4. Step 4: Simplify right side
    130,026.26x = 13,693,787,827.21
  5. Step 5: Solve for x
    x = 13,693,787,827.21/130,026.26
  6. Step 6: Final answer
    x = 105,315.55

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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.