Home / 235,601.41-325,132.41-128,171.19

Finding the Fourth Proportional to 235,601.41, 325,132.41 and 128,171.19

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Solution

The fourth proportional to 235,601.41, 325,132.41 and 128,171.19 is: 176,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,601.41 : 325,132.41 = 128,171.19 : x
  2. Step 2: Convert to fraction form
    235,601.41/325,132.41 = 128,171.19/x
  3. Step 3: Cross multiply
    235,601.41x = 325,132.41 × 128,171.19
  4. Step 4: Simplify right side
    235,601.41x = 41,672,605,772.41
  5. Step 5: Solve for x
    x = 41,672,605,772.41/235,601.41
  6. Step 6: Final answer
    x = 176,877.57

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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.