Home / 112,767.66-169,151.43-45,299.69

Finding the Fourth Proportional to 112,767.66, 169,151.43 and 45,299.69

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Solution

The fourth proportional to 112,767.66, 169,151.43 and 45,299.69 is: 67,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,767.66 : 169,151.43 = 45,299.69 : x
  2. Step 2: Convert to fraction form
    112,767.66/169,151.43 = 45,299.69/x
  3. Step 3: Cross multiply
    112,767.66x = 169,151.43 × 45,299.69
  4. Step 4: Simplify right side
    112,767.66x = 7,662,506,960.74
  5. Step 5: Solve for x
    x = 7,662,506,960.74/112,767.66
  6. Step 6: Final answer
    x = 67,949.51

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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.