Home / 185,429.60-278,144.40-101,448.80

Finding the Fourth Proportional to 185,429.60, 278,144.40 and 101,448.80

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Solution

The fourth proportional to 185,429.60, 278,144.40 and 101,448.80 is: 152,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,429.60 : 278,144.40 = 101,448.80 : x
  2. Step 2: Convert to fraction form
    185,429.60/278,144.40 = 101,448.80/x
  3. Step 3: Cross multiply
    185,429.60x = 278,144.40 × 101,448.80
  4. Step 4: Simplify right side
    185,429.60x = 28,217,415,606.72
  5. Step 5: Solve for x
    x = 28,217,415,606.72/185,429.60
  6. Step 6: Final answer
    x = 152,173.20

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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.