Home / 334,999.20-502,498.80-193,281.60

Finding the Fourth Proportional to 334,999.20, 502,498.80 and 193,281.60

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Solution

The fourth proportional to 334,999.20, 502,498.80 and 193,281.60 is: 289,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,999.20 : 502,498.80 = 193,281.60 : x
  2. Step 2: Convert to fraction form
    334,999.20/502,498.80 = 193,281.60/x
  3. Step 3: Cross multiply
    334,999.20x = 502,498.80 × 193,281.60
  4. Step 4: Simplify right side
    334,999.20x = 97,123,772,062.08
  5. Step 5: Solve for x
    x = 97,123,772,062.08/334,999.20
  6. Step 6: Final answer
    x = 289,922.40

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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.