Home / 170,758.32-257,275.86-154,137.12

Finding the Fourth Proportional to 170,758.32, 257,275.86 and 154,137.12

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Solution

The fourth proportional to 170,758.32, 257,275.86 and 154,137.12 is: 232,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,758.32 : 257,275.86 = 154,137.12 : x
  2. Step 2: Convert to fraction form
    170,758.32/257,275.86 = 154,137.12/x
  3. Step 3: Cross multiply
    170,758.32x = 257,275.86 × 154,137.12
  4. Step 4: Simplify right side
    170,758.32x = 39,655,760,105.92
  5. Step 5: Solve for x
    x = 39,655,760,105.92/170,758.32
  6. Step 6: Final answer
    x = 232,233.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.