Home / 175,895.88-242,740.98-100,442.76

Finding the Fourth Proportional to 175,895.88, 242,740.98 and 100,442.76

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Solution

The fourth proportional to 175,895.88, 242,740.98 and 100,442.76 is: 138,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,895.88 : 242,740.98 = 100,442.76 : x
  2. Step 2: Convert to fraction form
    175,895.88/242,740.98 = 100,442.76/x
  3. Step 3: Cross multiply
    175,895.88x = 242,740.98 × 100,442.76
  4. Step 4: Simplify right side
    175,895.88x = 24,381,573,996.30
  5. Step 5: Solve for x
    x = 24,381,573,996.30/175,895.88
  6. Step 6: Final answer
    x = 138,613.67

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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.