Home / 175,677.06-242,436.87-100,225.56

Finding the Fourth Proportional to 175,677.06, 242,436.87 and 100,225.56

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Solution

The fourth proportional to 175,677.06, 242,436.87 and 100,225.56 is: 138,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,677.06 : 242,436.87 = 100,225.56 : x
  2. Step 2: Convert to fraction form
    175,677.06/242,436.87 = 100,225.56/x
  3. Step 3: Cross multiply
    175,677.06x = 242,436.87 × 100,225.56
  4. Step 4: Simplify right side
    175,677.06x = 24,298,371,060.40
  5. Step 5: Solve for x
    x = 24,298,371,060.40/175,677.06
  6. Step 6: Final answer
    x = 138,312.71

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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.