Home / 121,312.28-167,408.68-67,596.14

Finding the Fourth Proportional to 121,312.28, 167,408.68 and 67,596.14

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Solution

The fourth proportional to 121,312.28, 167,408.68 and 67,596.14 is: 93,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,312.28 : 167,408.68 = 67,596.14 : x
  2. Step 2: Convert to fraction form
    121,312.28/167,408.68 = 67,596.14/x
  3. Step 3: Cross multiply
    121,312.28x = 167,408.68 × 67,596.14
  4. Step 4: Simplify right side
    121,312.28x = 11,316,180,570.50
  5. Step 5: Solve for x
    x = 11,316,180,570.50/121,312.28
  6. Step 6: Final answer
    x = 93,281.41

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1.5x scale

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.