Home / 121,254.77-167,331.51-70,297.11

Finding the Fourth Proportional to 121,254.77, 167,331.51 and 70,297.11

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Solution

The fourth proportional to 121,254.77, 167,331.51 and 70,297.11 is: 97,009.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254.77 : 167,331.51 = 70,297.11 : x
  2. Step 2: Convert to fraction form
    121,254.77/167,331.51 = 70,297.11/x
  3. Step 3: Cross multiply
    121,254.77x = 167,331.51 × 70,297.11
  4. Step 4: Simplify right side
    121,254.77x = 11,762,921,564.94
  5. Step 5: Solve for x
    x = 11,762,921,564.94/121,254.77
  6. Step 6: Final answer
    x = 97,009.97

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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.