Home / 158,017.20-236,680.20-122,679.60

Finding the Fourth Proportional to 158,017.20, 236,680.20 and 122,679.60

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Solution

The fourth proportional to 158,017.20, 236,680.20 and 122,679.60 is: 183,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,017.20 : 236,680.20 = 122,679.60 : x
  2. Step 2: Convert to fraction form
    158,017.20/236,680.20 = 122,679.60/x
  3. Step 3: Cross multiply
    158,017.20x = 236,680.20 × 122,679.60
  4. Step 4: Simplify right side
    158,017.20x = 29,035,832,263.92
  5. Step 5: Solve for x
    x = 29,035,832,263.92/158,017.20
  6. Step 6: Final answer
    x = 183,751.09

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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.