Home / 235,113.12-324,458.28-127,684.08

Finding the Fourth Proportional to 235,113.12, 324,458.28 and 127,684.08

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Solution

The fourth proportional to 235,113.12, 324,458.28 and 127,684.08 is: 176,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,113.12 : 324,458.28 = 127,684.08 : x
  2. Step 2: Convert to fraction form
    235,113.12/324,458.28 = 127,684.08/x
  3. Step 3: Cross multiply
    235,113.12x = 324,458.28 × 127,684.08
  4. Step 4: Simplify right side
    235,113.12x = 41,428,156,980.18
  5. Step 5: Solve for x
    x = 41,428,156,980.18/235,113.12
  6. Step 6: Final answer
    x = 176,205.21

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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.