Home / 129,934.19-179,309.19-70,318.19

Finding the Fourth Proportional to 129,934.19, 179,309.19 and 70,318.19

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Solution

The fourth proportional to 129,934.19, 179,309.19 and 70,318.19 is: 97,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,934.19 : 179,309.19 = 70,318.19 : x
  2. Step 2: Convert to fraction form
    129,934.19/179,309.19 = 70,318.19/x
  3. Step 3: Cross multiply
    129,934.19x = 179,309.19 × 70,318.19
  4. Step 4: Simplify right side
    129,934.19x = 12,608,697,339.58
  5. Step 5: Solve for x
    x = 12,608,697,339.58/129,934.19
  6. Step 6: Final answer
    x = 97,039.10

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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.