Home / 121,848.49-167,777.08-106,656.13

Finding the Fourth Proportional to 121,848.49, 167,777.08 and 106,656.13

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Solution

The fourth proportional to 121,848.49, 167,777.08 and 106,656.13 is: 146,858.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,848.49 : 167,777.08 = 106,656.13 : x
  2. Step 2: Convert to fraction form
    121,848.49/167,777.08 = 106,656.13/x
  3. Step 3: Cross multiply
    121,848.49x = 167,777.08 × 106,656.13
  4. Step 4: Simplify right side
    121,848.49x = 17,894,454,055.50
  5. Step 5: Solve for x
    x = 17,894,454,055.50/121,848.49
  6. Step 6: Final answer
    x = 146,858.23

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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.