Home / 235,763.06-325,357.17-128,336.18

Finding the Fourth Proportional to 235,763.06, 325,357.17 and 128,336.18

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Solution

The fourth proportional to 235,763.06, 325,357.17 and 128,336.18 is: 177,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,763.06 : 325,357.17 = 128,336.18 : x
  2. Step 2: Convert to fraction form
    235,763.06/325,357.17 = 128,336.18/x
  3. Step 3: Cross multiply
    235,763.06x = 325,357.17 × 128,336.18
  4. Step 4: Simplify right side
    235,763.06x = 41,755,096,333.41
  5. Step 5: Solve for x
    x = 41,755,096,333.41/235,763.06
  6. Step 6: Final answer
    x = 177,106.19

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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.