Home / 179,153.19-247,104.95-121,758.83

Finding the Fourth Proportional to 179,153.19, 247,104.95 and 121,758.83

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Solution

The fourth proportional to 179,153.19, 247,104.95 and 121,758.83 is: 167,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,153.19 : 247,104.95 = 121,758.83 : x
  2. Step 2: Convert to fraction form
    179,153.19/247,104.95 = 121,758.83/x
  3. Step 3: Cross multiply
    179,153.19x = 247,104.95 × 121,758.83
  4. Step 4: Simplify right side
    179,153.19x = 30,087,207,754.89
  5. Step 5: Solve for x
    x = 30,087,207,754.89/179,153.19
  6. Step 6: Final answer
    x = 167,941.23

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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.