Home / 121,461.14-167,571.19-70,445.27

Finding the Fourth Proportional to 121,461.14, 167,571.19 and 70,445.27

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Solution

The fourth proportional to 121,461.14, 167,571.19 and 70,445.27 is: 97,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,461.14 : 167,571.19 = 70,445.27 : x
  2. Step 2: Convert to fraction form
    121,461.14/167,571.19 = 70,445.27/x
  3. Step 3: Cross multiply
    121,461.14x = 167,571.19 × 70,445.27
  4. Step 4: Simplify right side
    121,461.14x = 11,804,596,973.97
  5. Step 5: Solve for x
    x = 11,804,596,973.97/121,461.14
  6. Step 6: Final answer
    x = 97,188.26

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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.