Home / 153,929.40-230,894.10-94,831.80

Finding the Fourth Proportional to 153,929.40, 230,894.10 and 94,831.80

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Solution

The fourth proportional to 153,929.40, 230,894.10 and 94,831.80 is: 142,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,929.40 : 230,894.10 = 94,831.80 : x
  2. Step 2: Convert to fraction form
    153,929.40/230,894.10 = 94,831.80/x
  3. Step 3: Cross multiply
    153,929.40x = 230,894.10 × 94,831.80
  4. Step 4: Simplify right side
    153,929.40x = 21,896,103,112.38
  5. Step 5: Solve for x
    x = 21,896,103,112.38/153,929.40
  6. Step 6: Final answer
    x = 142,247.70

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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.