Home / 121,050.12-167,055.36-67,336.20

Finding the Fourth Proportional to 121,050.12, 167,055.36 and 67,336.20

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Solution

The fourth proportional to 121,050.12, 167,055.36 and 67,336.20 is: 92,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,050.12 : 167,055.36 = 67,336.20 : x
  2. Step 2: Convert to fraction form
    121,050.12/167,055.36 = 67,336.20/x
  3. Step 3: Cross multiply
    121,050.12x = 167,055.36 × 67,336.20
  4. Step 4: Simplify right side
    121,050.12x = 11,248,873,132.03
  5. Step 5: Solve for x
    x = 11,248,873,132.03/121,050.12
  6. Step 6: Final answer
    x = 92,927.40

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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.