Home / 126,934.24-175,166.64-70,345.12

Finding the Fourth Proportional to 126,934.24, 175,166.64 and 70,345.12

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Solution

The fourth proportional to 126,934.24, 175,166.64 and 70,345.12 is: 97,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,934.24 : 175,166.64 = 70,345.12 : x
  2. Step 2: Convert to fraction form
    126,934.24/175,166.64 = 70,345.12/x
  3. Step 3: Cross multiply
    126,934.24x = 175,166.64 × 70,345.12
  4. Step 4: Simplify right side
    126,934.24x = 12,322,118,310.80
  5. Step 5: Solve for x
    x = 12,322,118,310.80/126,934.24
  6. Step 6: Final answer
    x = 97,074.82

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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.