Home / 121,240.12-167,316.58-67,525.16

Finding the Fourth Proportional to 121,240.12, 167,316.58 and 67,525.16

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Solution

The fourth proportional to 121,240.12, 167,316.58 and 67,525.16 is: 93,187.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,240.12 : 167,316.58 = 67,525.16 : x
  2. Step 2: Convert to fraction form
    121,240.12/167,316.58 = 67,525.16/x
  3. Step 3: Cross multiply
    121,240.12x = 167,316.58 × 67,525.16
  4. Step 4: Simplify right side
    121,240.12x = 11,298,078,835.15
  5. Step 5: Solve for x
    x = 11,298,078,835.15/121,240.12
  6. Step 6: Final answer
    x = 93,187.62

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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.