Home / 170,718.30-256,077.45-117,574.20

Finding the Fourth Proportional to 170,718.30, 256,077.45 and 117,574.20

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Solution

The fourth proportional to 170,718.30, 256,077.45 and 117,574.20 is: 176,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,718.30 : 256,077.45 = 117,574.20 : x
  2. Step 2: Convert to fraction form
    170,718.30/256,077.45 = 117,574.20/x
  3. Step 3: Cross multiply
    170,718.30x = 256,077.45 × 117,574.20
  4. Step 4: Simplify right side
    170,718.30x = 30,108,101,321.79
  5. Step 5: Solve for x
    x = 30,108,101,321.79/170,718.30
  6. Step 6: Final answer
    x = 176,361.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.