Home / 235,378.86-324,823.44-127,948.74

Finding the Fourth Proportional to 235,378.86, 324,823.44 and 127,948.74

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Solution

The fourth proportional to 235,378.86, 324,823.44 and 127,948.74 is: 176,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,378.86 : 324,823.44 = 127,948.74 : x
  2. Step 2: Convert to fraction form
    235,378.86/324,823.44 = 127,948.74/x
  3. Step 3: Cross multiply
    235,378.86x = 324,823.44 × 127,948.74
  4. Step 4: Simplify right side
    235,378.86x = 41,560,749,870.47
  5. Step 5: Solve for x
    x = 41,560,749,870.47/235,378.86
  6. Step 6: Final answer
    x = 176,569.59

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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.