Home / 334,890.40-502,335.60-185,591.20

Finding the Fourth Proportional to 334,890.40, 502,335.60 and 185,591.20

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Solution

The fourth proportional to 334,890.40, 502,335.60 and 185,591.20 is: 278,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,890.40 : 502,335.60 = 185,591.20 : x
  2. Step 2: Convert to fraction form
    334,890.40/502,335.60 = 185,591.20/x
  3. Step 3: Cross multiply
    334,890.40x = 502,335.60 × 185,591.20
  4. Step 4: Simplify right side
    334,890.40x = 93,229,066,806.72
  5. Step 5: Solve for x
    x = 93,229,066,806.72/334,890.40
  6. Step 6: Final answer
    x = 278,386.80

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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.