Home / 121,267.08-167,326.34-67,550.76

Finding the Fourth Proportional to 121,267.08, 167,326.34 and 67,550.76

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Solution

The fourth proportional to 121,267.08, 167,326.34 and 67,550.76 is: 93,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.08 : 167,326.34 = 67,550.76 : x
  2. Step 2: Convert to fraction form
    121,267.08/167,326.34 = 67,550.76/x
  3. Step 3: Cross multiply
    121,267.08x = 167,326.34 × 67,550.76
  4. Step 4: Simplify right side
    121,267.08x = 11,303,021,435.02
  5. Step 5: Solve for x
    x = 11,303,021,435.02/121,267.08
  6. Step 6: Final answer
    x = 93,207.67

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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.