Home / 170,051.13-255,105.68-70,156.66

Finding the Fourth Proportional to 170,051.13, 255,105.68 and 70,156.66

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Solution

The fourth proportional to 170,051.13, 255,105.68 and 70,156.66 is: 105,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,051.13 : 255,105.68 = 70,156.66 : x
  2. Step 2: Convert to fraction form
    170,051.13/255,105.68 = 70,156.66/x
  3. Step 3: Cross multiply
    170,051.13x = 255,105.68 × 70,156.66
  4. Step 4: Simplify right side
    170,051.13x = 17,897,362,455.83
  5. Step 5: Solve for x
    x = 17,897,362,455.83/170,051.13
  6. Step 6: Final answer
    x = 105,246.95

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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.