Home / 220,678.14-304,495.52-144,176.88

Finding the Fourth Proportional to 220,678.14, 304,495.52 and 144,176.88

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Solution

The fourth proportional to 220,678.14, 304,495.52 and 144,176.88 is: 198,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,678.14 : 304,495.52 = 144,176.88 : x
  2. Step 2: Convert to fraction form
    220,678.14/304,495.52 = 144,176.88/x
  3. Step 3: Cross multiply
    220,678.14x = 304,495.52 × 144,176.88
  4. Step 4: Simplify right side
    220,678.14x = 43,901,214,047.58
  5. Step 5: Solve for x
    x = 43,901,214,047.58/220,678.14
  6. Step 6: Final answer
    x = 198,937.76

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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.