Home / 170,669.76-235,523.88-99,091.68

Finding the Fourth Proportional to 170,669.76, 235,523.88 and 99,091.68

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Solution

The fourth proportional to 170,669.76, 235,523.88 and 99,091.68 is: 136,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,669.76 : 235,523.88 = 99,091.68 : x
  2. Step 2: Convert to fraction form
    170,669.76/235,523.88 = 99,091.68/x
  3. Step 3: Cross multiply
    170,669.76x = 235,523.88 × 99,091.68
  4. Step 4: Simplify right side
    170,669.76x = 23,338,456,949.32
  5. Step 5: Solve for x
    x = 23,338,456,949.32/170,669.76
  6. Step 6: Final answer
    x = 136,746.29

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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.