Home / 236,715.20-354,770.40-96,315.20

Finding the Fourth Proportional to 236,715.20, 354,770.40 and 96,315.20

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Solution

The fourth proportional to 236,715.20, 354,770.40 and 96,315.20 is: 144,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,715.20 : 354,770.40 = 96,315.20 : x
  2. Step 2: Convert to fraction form
    236,715.20/354,770.40 = 96,315.20/x
  3. Step 3: Cross multiply
    236,715.20x = 354,770.40 × 96,315.20
  4. Step 4: Simplify right side
    236,715.20x = 34,169,782,030.08
  5. Step 5: Solve for x
    x = 34,169,782,030.08/236,715.20
  6. Step 6: Final answer
    x = 144,349.76

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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.