Home / 335,200.32-502,642.37-121,818.17

Finding the Fourth Proportional to 335,200.32, 502,642.37 and 121,818.17

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Solution

The fourth proportional to 335,200.32, 502,642.37 and 121,818.17 is: 182,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,200.32 : 502,642.37 = 121,818.17 : x
  2. Step 2: Convert to fraction form
    335,200.32/502,642.37 = 121,818.17/x
  3. Step 3: Cross multiply
    335,200.32x = 502,642.37 × 121,818.17
  4. Step 4: Simplify right side
    335,200.32x = 61,230,973,354.11
  5. Step 5: Solve for x
    x = 61,230,973,354.11/335,200.32
  6. Step 6: Final answer
    x = 182,669.80

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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.