Home / 160,699.15-221,780.73-89,093.02

Finding the Fourth Proportional to 160,699.15, 221,780.73 and 89,093.02

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Solution

The fourth proportional to 160,699.15, 221,780.73 and 89,093.02 is: 122,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,699.15 : 221,780.73 = 89,093.02 : x
  2. Step 2: Convert to fraction form
    160,699.15/221,780.73 = 89,093.02/x
  3. Step 3: Cross multiply
    160,699.15x = 221,780.73 × 89,093.02
  4. Step 4: Simplify right side
    160,699.15x = 19,759,115,013.50
  5. Step 5: Solve for x
    x = 19,759,115,013.50/160,699.15
  6. Step 6: Final answer
    x = 122,957.18

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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.