Home / 235,246.07-324,642.53-127,817.90

Finding the Fourth Proportional to 235,246.07, 324,642.53 and 127,817.90

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Solution

The fourth proportional to 235,246.07, 324,642.53 and 127,817.90 is: 176,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,246.07 : 324,642.53 = 127,817.90 : x
  2. Step 2: Convert to fraction form
    235,246.07/324,642.53 = 127,817.90/x
  3. Step 3: Cross multiply
    235,246.07x = 324,642.53 × 127,817.90
  4. Step 4: Simplify right side
    235,246.07x = 41,495,126,349.03
  5. Step 5: Solve for x
    x = 41,495,126,349.03/235,246.07
  6. Step 6: Final answer
    x = 176,390.30

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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.