Home / 170,604.04-255,831.68-90,624.48

Finding the Fourth Proportional to 170,604.04, 255,831.68 and 90,624.48

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Solution

The fourth proportional to 170,604.04, 255,831.68 and 90,624.48 is: 135,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,604.04 : 255,831.68 = 90,624.48 : x
  2. Step 2: Convert to fraction form
    170,604.04/255,831.68 = 90,624.48/x
  3. Step 3: Cross multiply
    170,604.04x = 255,831.68 × 90,624.48
  4. Step 4: Simplify right side
    170,604.04x = 23,184,612,967.53
  5. Step 5: Solve for x
    x = 23,184,612,967.53/170,604.04
  6. Step 6: Final answer
    x = 135,897.21

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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.