Home / 160,620.36-221,657.58-89,001.24

Finding the Fourth Proportional to 160,620.36, 221,657.58 and 89,001.24

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Solution

The fourth proportional to 160,620.36, 221,657.58 and 89,001.24 is: 122,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,620.36 : 221,657.58 = 89,001.24 : x
  2. Step 2: Convert to fraction form
    160,620.36/221,657.58 = 89,001.24/x
  3. Step 3: Cross multiply
    160,620.36x = 221,657.58 × 89,001.24
  4. Step 4: Simplify right side
    160,620.36x = 19,727,799,475.40
  5. Step 5: Solve for x
    x = 19,727,799,475.40/160,620.36
  6. Step 6: Final answer
    x = 122,822.53

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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.