Home / 185,275.67-255,581.80-112,700.75

Finding the Fourth Proportional to 185,275.67, 255,581.80 and 112,700.75

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Solution

The fourth proportional to 185,275.67, 255,581.80 and 112,700.75 is: 155,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,275.67 : 255,581.80 = 112,700.75 : x
  2. Step 2: Convert to fraction form
    185,275.67/255,581.80 = 112,700.75/x
  3. Step 3: Cross multiply
    185,275.67x = 255,581.80 × 112,700.75
  4. Step 4: Simplify right side
    185,275.67x = 28,804,258,986.69
  5. Step 5: Solve for x
    x = 28,804,258,986.69/185,275.67
  6. Step 6: Final answer
    x = 155,467.04

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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.