Home / 220,424.13-304,191.59-134,388.09

Finding the Fourth Proportional to 220,424.13, 304,191.59 and 134,388.09

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Solution

The fourth proportional to 220,424.13, 304,191.59 and 134,388.09 is: 185,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,424.13 : 304,191.59 = 134,388.09 : x
  2. Step 2: Convert to fraction form
    220,424.13/304,191.59 = 134,388.09/x
  3. Step 3: Cross multiply
    220,424.13x = 304,191.59 × 134,388.09
  4. Step 4: Simplify right side
    220,424.13x = 40,879,726,102.22
  5. Step 5: Solve for x
    x = 40,879,726,102.22/220,424.13
  6. Step 6: Final answer
    x = 185,459.40

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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.