Home / 212,742.06-319,112.10-62,983.26

Finding the Fourth Proportional to 212,742.06, 319,112.10 and 62,983.26

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Solution

The fourth proportional to 212,742.06, 319,112.10 and 62,983.26 is: 94,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,742.06 : 319,112.10 = 62,983.26 : x
  2. Step 2: Convert to fraction form
    212,742.06/319,112.10 = 62,983.26/x
  3. Step 3: Cross multiply
    212,742.06x = 319,112.10 × 62,983.26
  4. Step 4: Simplify right side
    212,742.06x = 20,098,720,363.45
  5. Step 5: Solve for x
    x = 20,098,720,363.45/212,742.06
  6. Step 6: Final answer
    x = 94,474.60

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1.5x scale

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.