Home / 170,141.16-255,023.80-70,246.28

Finding the Fourth Proportional to 170,141.16, 255,023.80 and 70,246.28

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Solution

The fourth proportional to 170,141.16, 255,023.80 and 70,246.28 is: 105,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,141.16 : 255,023.80 = 70,246.28 : x
  2. Step 2: Convert to fraction form
    170,141.16/255,023.80 = 70,246.28/x
  3. Step 3: Cross multiply
    170,141.16x = 255,023.80 × 70,246.28
  4. Step 4: Simplify right side
    170,141.16x = 17,914,473,261.46
  5. Step 5: Solve for x
    x = 17,914,473,261.46/170,141.16
  6. Step 6: Final answer
    x = 105,291.83

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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.