Home / 175,410.95-242,177.78-121,677.17

Finding the Fourth Proportional to 175,410.95, 242,177.78 and 121,677.17

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Solution

The fourth proportional to 175,410.95, 242,177.78 and 121,677.17 is: 167,991.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,410.95 : 242,177.78 = 121,677.17 : x
  2. Step 2: Convert to fraction form
    175,410.95/242,177.78 = 121,677.17/x
  3. Step 3: Cross multiply
    175,410.95x = 242,177.78 × 121,677.17
  4. Step 4: Simplify right side
    175,410.95x = 29,467,506,000.59
  5. Step 5: Solve for x
    x = 29,467,506,000.59/175,410.95
  6. Step 6: Final answer
    x = 167,991.26

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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.