Home / 121,492.06-167,638.27-70,493.10

Finding the Fourth Proportional to 121,492.06, 167,638.27 and 70,493.10

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Solution

The fourth proportional to 121,492.06, 167,638.27 and 70,493.10 is: 97,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,492.06 : 167,638.27 = 70,493.10 : x
  2. Step 2: Convert to fraction form
    121,492.06/167,638.27 = 70,493.10/x
  3. Step 3: Cross multiply
    121,492.06x = 167,638.27 × 70,493.10
  4. Step 4: Simplify right side
    121,492.06x = 11,817,341,330.94
  5. Step 5: Solve for x
    x = 11,817,341,330.94/121,492.06
  6. Step 6: Final answer
    x = 97,268.43

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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.