Home / 334,692.10-502,034.95-81,973.70

Finding the Fourth Proportional to 334,692.10, 502,034.95 and 81,973.70

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Solution

The fourth proportional to 334,692.10, 502,034.95 and 81,973.70 is: 122,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,692.10 : 502,034.95 = 81,973.70 : x
  2. Step 2: Convert to fraction form
    334,692.10/502,034.95 = 81,973.70/x
  3. Step 3: Cross multiply
    334,692.10x = 502,034.95 × 81,973.70
  4. Step 4: Simplify right side
    334,692.10x = 41,153,662,380.82
  5. Step 5: Solve for x
    x = 41,153,662,380.82/334,692.10
  6. Step 6: Final answer
    x = 122,959.77

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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.