Home / 121,304.24-167,409.45-66,866.07

Finding the Fourth Proportional to 121,304.24, 167,409.45 and 66,866.07

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Solution

The fourth proportional to 121,304.24, 167,409.45 and 66,866.07 is: 92,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,304.24 : 167,409.45 = 66,866.07 : x
  2. Step 2: Convert to fraction form
    121,304.24/167,409.45 = 66,866.07/x
  3. Step 3: Cross multiply
    121,304.24x = 167,409.45 × 66,866.07
  4. Step 4: Simplify right side
    121,304.24x = 11,194,012,002.36
  5. Step 5: Solve for x
    x = 11,194,012,002.36/121,304.24
  6. Step 6: Final answer
    x = 92,280.47

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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.