Home / 161,377.95-222,548.70-103,253.06

Finding the Fourth Proportional to 161,377.95, 222,548.70 and 103,253.06

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Solution

The fourth proportional to 161,377.95, 222,548.70 and 103,253.06 is: 142,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,377.95 : 222,548.70 = 103,253.06 : x
  2. Step 2: Convert to fraction form
    161,377.95/222,548.70 = 103,253.06/x
  3. Step 3: Cross multiply
    161,377.95x = 222,548.70 × 103,253.06
  4. Step 4: Simplify right side
    161,377.95x = 22,978,833,161.28
  5. Step 5: Solve for x
    x = 22,978,833,161.28/161,377.95
  6. Step 6: Final answer
    x = 142,391.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.