Home / 159,549.02-220,174.94-87,927.50

Finding the Fourth Proportional to 159,549.02, 220,174.94 and 87,927.50

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Solution

The fourth proportional to 159,549.02, 220,174.94 and 87,927.50 is: 121,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,549.02 : 220,174.94 = 87,927.50 : x
  2. Step 2: Convert to fraction form
    159,549.02/220,174.94 = 87,927.50/x
  3. Step 3: Cross multiply
    159,549.02x = 220,174.94 × 87,927.50
  4. Step 4: Simplify right side
    159,549.02x = 19,359,432,036.85
  5. Step 5: Solve for x
    x = 19,359,432,036.85/159,549.02
  6. Step 6: Final answer
    x = 121,338.46

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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.