Home / 354,585.20-531,926.40-117,903.20

Finding the Fourth Proportional to 354,585.20, 531,926.40 and 117,903.20

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Solution

The fourth proportional to 354,585.20, 531,926.40 and 117,903.20 is: 176,870.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,585.20 : 531,926.40 = 117,903.20 : x
  2. Step 2: Convert to fraction form
    354,585.20/531,926.40 = 117,903.20/x
  3. Step 3: Cross multiply
    354,585.20x = 531,926.40 × 117,903.20
  4. Step 4: Simplify right side
    354,585.20x = 62,715,824,724.48
  5. Step 5: Solve for x
    x = 62,715,824,724.48/354,585.20
  6. Step 6: Final answer
    x = 176,870.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.