Home / 121,292.46-167,383.98-70,315.20

Finding the Fourth Proportional to 121,292.46, 167,383.98 and 70,315.20

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Solution

The fourth proportional to 121,292.46, 167,383.98 and 70,315.20 is: 97,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292.46 : 167,383.98 = 70,315.20 : x
  2. Step 2: Convert to fraction form
    121,292.46/167,383.98 = 70,315.20/x
  3. Step 3: Cross multiply
    121,292.46x = 167,383.98 × 70,315.20
  4. Step 4: Simplify right side
    121,292.46x = 11,769,638,030.50
  5. Step 5: Solve for x
    x = 11,769,638,030.50/121,292.46
  6. Step 6: Final answer
    x = 97,035.20

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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.