Home / 121,333.46-167,440.74-70,376.36

Finding the Fourth Proportional to 121,333.46, 167,440.74 and 70,376.36

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Solution

The fourth proportional to 121,333.46, 167,440.74 and 70,376.36 is: 97,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,333.46 : 167,440.74 = 70,376.36 : x
  2. Step 2: Convert to fraction form
    121,333.46/167,440.74 = 70,376.36/x
  3. Step 3: Cross multiply
    121,333.46x = 167,440.74 × 70,376.36
  4. Step 4: Simplify right side
    121,333.46x = 11,783,869,742.30
  5. Step 5: Solve for x
    x = 11,783,869,742.30/121,333.46
  6. Step 6: Final answer
    x = 97,119.70

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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.