Home / 220,925.20-304,876.74-120,323.20

Finding the Fourth Proportional to 220,925.20, 304,876.74 and 120,323.20

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Solution

The fourth proportional to 220,925.20, 304,876.74 and 120,323.20 is: 166,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,925.20 : 304,876.74 = 120,323.20 : x
  2. Step 2: Convert to fraction form
    220,925.20/304,876.74 = 120,323.20/x
  3. Step 3: Cross multiply
    220,925.20x = 304,876.74 × 120,323.20
  4. Step 4: Simplify right side
    220,925.20x = 36,683,744,962.37
  5. Step 5: Solve for x
    x = 36,683,744,962.37/220,925.20
  6. Step 6: Final answer
    x = 166,046.00

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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.