Home / 160,381.04-221,322.64-88,756.88

Finding the Fourth Proportional to 160,381.04, 221,322.64 and 88,756.88

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Solution

The fourth proportional to 160,381.04, 221,322.64 and 88,756.88 is: 122,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,381.04 : 221,322.64 = 88,756.88 : x
  2. Step 2: Convert to fraction form
    160,381.04/221,322.64 = 88,756.88/x
  3. Step 3: Cross multiply
    160,381.04x = 221,322.64 × 88,756.88
  4. Step 4: Simplify right side
    160,381.04x = 19,643,906,999.76
  5. Step 5: Solve for x
    x = 19,643,906,999.76/160,381.04
  6. Step 6: Final answer
    x = 122,482.73

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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.