Home / 170,623.13-255,934.65-91,628.69

Finding the Fourth Proportional to 170,623.13, 255,934.65 and 91,628.69

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Solution

The fourth proportional to 170,623.13, 255,934.65 and 91,628.69 is: 137,443.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,623.13 : 255,934.65 = 91,628.69 : x
  2. Step 2: Convert to fraction form
    170,623.13/255,934.65 = 91,628.69/x
  3. Step 3: Cross multiply
    170,623.13x = 255,934.65 × 91,628.69
  4. Step 4: Simplify right side
    170,623.13x = 23,450,956,705.11
  5. Step 5: Solve for x
    x = 23,450,956,705.11/170,623.13
  6. Step 6: Final answer
    x = 137,443.01

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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.