Home / 160,201.40-221,069.02-88,577.12

Finding the Fourth Proportional to 160,201.40, 221,069.02 and 88,577.12

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Solution

The fourth proportional to 160,201.40, 221,069.02 and 88,577.12 is: 122,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,201.40 : 221,069.02 = 88,577.12 : x
  2. Step 2: Convert to fraction form
    160,201.40/221,069.02 = 88,577.12/x
  3. Step 3: Cross multiply
    160,201.40x = 221,069.02 × 88,577.12
  4. Step 4: Simplify right side
    160,201.40x = 19,581,657,112.82
  5. Step 5: Solve for x
    x = 19,581,657,112.82/160,201.40
  6. Step 6: Final answer
    x = 122,231.50

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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.