Home / 167,280.03-230,831.10-99,285.39

Finding the Fourth Proportional to 167,280.03, 230,831.10 and 99,285.39

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Solution

The fourth proportional to 167,280.03, 230,831.10 and 99,285.39 is: 137,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,280.03 : 230,831.10 = 99,285.39 : x
  2. Step 2: Convert to fraction form
    167,280.03/230,831.10 = 99,285.39/x
  3. Step 3: Cross multiply
    167,280.03x = 230,831.10 × 99,285.39
  4. Step 4: Simplify right side
    167,280.03x = 22,918,155,787.63
  5. Step 5: Solve for x
    x = 22,918,155,787.63/167,280.03
  6. Step 6: Final answer
    x = 137,004.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.