Home / 119,627.66-179,441.76-112,320.38

Finding the Fourth Proportional to 119,627.66, 179,441.76 and 112,320.38

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Solution

The fourth proportional to 119,627.66, 179,441.76 and 112,320.38 is: 168,480.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,627.66 : 179,441.76 = 112,320.38 : x
  2. Step 2: Convert to fraction form
    119,627.66/179,441.76 = 112,320.38/x
  3. Step 3: Cross multiply
    119,627.66x = 179,441.76 × 112,320.38
  4. Step 4: Simplify right side
    119,627.66x = 20,154,966,671.07
  5. Step 5: Solve for x
    x = 20,154,966,671.07/119,627.66
  6. Step 6: Final answer
    x = 168,480.82

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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.