Home / 160,140.10-220,989.45-88,518.28

Finding the Fourth Proportional to 160,140.10, 220,989.45 and 88,518.28

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Solution

The fourth proportional to 160,140.10, 220,989.45 and 88,518.28 is: 122,153.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,140.10 : 220,989.45 = 88,518.28 : x
  2. Step 2: Convert to fraction form
    160,140.10/220,989.45 = 88,518.28/x
  3. Step 3: Cross multiply
    160,140.10x = 220,989.45 × 88,518.28
  4. Step 4: Simplify right side
    160,140.10x = 19,561,606,012.15
  5. Step 5: Solve for x
    x = 19,561,606,012.15/160,140.10
  6. Step 6: Final answer
    x = 122,153.08

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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.