Home / 177,684.12-266,608.80-77,831.37

Finding the Fourth Proportional to 177,684.12, 266,608.80 and 77,831.37

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Solution

The fourth proportional to 177,684.12, 266,608.80 and 77,831.37 is: 116,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,684.12 : 266,608.80 = 77,831.37 : x
  2. Step 2: Convert to fraction form
    177,684.12/266,608.80 = 77,831.37/x
  3. Step 3: Cross multiply
    177,684.12x = 266,608.80 × 77,831.37
  4. Step 4: Simplify right side
    177,684.12x = 20,750,528,158.06
  5. Step 5: Solve for x
    x = 20,750,528,158.06/177,684.12
  6. Step 6: Final answer
    x = 116,783.25

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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.