Home / 235,792.06-325,397.19-128,365.18

Finding the Fourth Proportional to 235,792.06, 325,397.19 and 128,365.18

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Solution

The fourth proportional to 235,792.06, 325,397.19 and 128,365.18 is: 177,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,792.06 : 325,397.19 = 128,365.18 : x
  2. Step 2: Convert to fraction form
    235,792.06/325,397.19 = 128,365.18/x
  3. Step 3: Cross multiply
    235,792.06x = 325,397.19 × 128,365.18
  4. Step 4: Simplify right side
    235,792.06x = 41,769,668,865.84
  5. Step 5: Solve for x
    x = 41,769,668,865.84/235,792.06
  6. Step 6: Final answer
    x = 177,146.21

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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.