Home / 176,422.20-243,445.08-99,926.07

Finding the Fourth Proportional to 176,422.20, 243,445.08 and 99,926.07

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Solution

The fourth proportional to 176,422.20, 243,445.08 and 99,926.07 is: 137,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,422.20 : 243,445.08 = 99,926.07 : x
  2. Step 2: Convert to fraction form
    176,422.20/243,445.08 = 99,926.07/x
  3. Step 3: Cross multiply
    176,422.20x = 243,445.08 × 99,926.07
  4. Step 4: Simplify right side
    176,422.20x = 24,326,510,713.85
  5. Step 5: Solve for x
    x = 24,326,510,713.85/176,422.20
  6. Step 6: Final answer
    x = 137,888.03

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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.