Home / 212,557.80-293,362.02-161,486.76

Finding the Fourth Proportional to 212,557.80, 293,362.02 and 161,486.76

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Solution

The fourth proportional to 212,557.80, 293,362.02 and 161,486.76 is: 222,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,557.80 : 293,362.02 = 161,486.76 : x
  2. Step 2: Convert to fraction form
    212,557.80/293,362.02 = 161,486.76/x
  3. Step 3: Cross multiply
    212,557.80x = 293,362.02 × 161,486.76
  4. Step 4: Simplify right side
    212,557.80x = 47,374,082,116.86
  5. Step 5: Solve for x
    x = 47,374,082,116.86/212,557.80
  6. Step 6: Final answer
    x = 222,876.23

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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.