Home / 155,434.78-233,152.14-102,831.94

Finding the Fourth Proportional to 155,434.78, 233,152.14 and 102,831.94

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Solution

The fourth proportional to 155,434.78, 233,152.14 and 102,831.94 is: 154,247.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,434.78 : 233,152.14 = 102,831.94 : x
  2. Step 2: Convert to fraction form
    155,434.78/233,152.14 = 102,831.94/x
  3. Step 3: Cross multiply
    155,434.78x = 233,152.14 × 102,831.94
  4. Step 4: Simplify right side
    155,434.78x = 23,975,486,871.35
  5. Step 5: Solve for x
    x = 23,975,486,871.35/155,434.78
  6. Step 6: Final answer
    x = 154,247.89

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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.