Home / 160,666.44-221,711.58-89,057.28

Finding the Fourth Proportional to 160,666.44, 221,711.58 and 89,057.28

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Solution

The fourth proportional to 160,666.44, 221,711.58 and 89,057.28 is: 122,894.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,666.44 : 221,711.58 = 89,057.28 : x
  2. Step 2: Convert to fraction form
    160,666.44/221,711.58 = 89,057.28/x
  3. Step 3: Cross multiply
    160,666.44x = 221,711.58 × 89,057.28
  4. Step 4: Simplify right side
    160,666.44x = 19,745,030,259.30
  5. Step 5: Solve for x
    x = 19,745,030,259.30/160,666.44
  6. Step 6: Final answer
    x = 122,894.55

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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.