Home / 170,218.13-255,304.20-70,364.46

Finding the Fourth Proportional to 170,218.13, 255,304.20 and 70,364.46

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Solution

The fourth proportional to 170,218.13, 255,304.20 and 70,364.46 is: 105,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218.13 : 255,304.20 = 70,364.46 : x
  2. Step 2: Convert to fraction form
    170,218.13/255,304.20 = 70,364.46/x
  3. Step 3: Cross multiply
    170,218.13x = 255,304.20 × 70,364.46
  4. Step 4: Simplify right side
    170,218.13x = 17,964,343,389.99
  5. Step 5: Solve for x
    x = 17,964,343,389.99/170,218.13
  6. Step 6: Final answer
    x = 105,537.19

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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.