Home / 109,275.06-163,919.18-34,397.65

Finding the Fourth Proportional to 109,275.06, 163,919.18 and 34,397.65

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Solution

The fourth proportional to 109,275.06, 163,919.18 and 34,397.65 is: 51,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,275.06 : 163,919.18 = 34,397.65 : x
  2. Step 2: Convert to fraction form
    109,275.06/163,919.18 = 34,397.65/x
  3. Step 3: Cross multiply
    109,275.06x = 163,919.18 × 34,397.65
  4. Step 4: Simplify right side
    109,275.06x = 5,638,434,581.93
  5. Step 5: Solve for x
    x = 5,638,434,581.93/109,275.06
  6. Step 6: Final answer
    x = 51,598.55

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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.