Home / 170,864.20-256,300.35-52,536.61

Finding the Fourth Proportional to 170,864.20, 256,300.35 and 52,536.61

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Solution

The fourth proportional to 170,864.20, 256,300.35 and 52,536.61 is: 78,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,864.20 : 256,300.35 = 52,536.61 : x
  2. Step 2: Convert to fraction form
    170,864.20/256,300.35 = 52,536.61/x
  3. Step 3: Cross multiply
    170,864.20x = 256,300.35 × 52,536.61
  4. Step 4: Simplify right side
    170,864.20x = 13,465,151,530.81
  5. Step 5: Solve for x
    x = 13,465,151,530.81/170,864.20
  6. Step 6: Final answer
    x = 78,806.16

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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.