Home / 118,529.40-177,794.10-74,206.20

Finding the Fourth Proportional to 118,529.40, 177,794.10 and 74,206.20

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Solution

The fourth proportional to 118,529.40, 177,794.10 and 74,206.20 is: 111,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,529.40 : 177,794.10 = 74,206.20 : x
  2. Step 2: Convert to fraction form
    118,529.40/177,794.10 = 74,206.20/x
  3. Step 3: Cross multiply
    118,529.40x = 177,794.10 × 74,206.20
  4. Step 4: Simplify right side
    118,529.40x = 13,193,424,543.42
  5. Step 5: Solve for x
    x = 13,193,424,543.42/118,529.40
  6. Step 6: Final answer
    x = 111,309.30

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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.