Home / 170,497.12-235,287.04-98,919.76

Finding the Fourth Proportional to 170,497.12, 235,287.04 and 98,919.76

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Solution

The fourth proportional to 170,497.12, 235,287.04 and 98,919.76 is: 136,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,497.12 : 235,287.04 = 98,919.76 : x
  2. Step 2: Convert to fraction form
    170,497.12/235,287.04 = 98,919.76/x
  3. Step 3: Cross multiply
    170,497.12x = 235,287.04 × 98,919.76
  4. Step 4: Simplify right side
    170,497.12x = 23,274,537,527.91
  5. Step 5: Solve for x
    x = 23,274,537,527.91/170,497.12
  6. Step 6: Final answer
    x = 136,509.86

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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.