Home / 151,495.38-209,054.10-83,512.92

Finding the Fourth Proportional to 151,495.38, 209,054.10 and 83,512.92

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Solution

The fourth proportional to 151,495.38, 209,054.10 and 83,512.92 is: 115,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,495.38 : 209,054.10 = 83,512.92 : x
  2. Step 2: Convert to fraction form
    151,495.38/209,054.10 = 83,512.92/x
  3. Step 3: Cross multiply
    151,495.38x = 209,054.10 × 83,512.92
  4. Step 4: Simplify right side
    151,495.38x = 17,458,718,328.97
  5. Step 5: Solve for x
    x = 17,458,718,328.97/151,495.38
  6. Step 6: Final answer
    x = 115,242.58

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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.