Home / 121,526.03-167,741.12-70,550.21

Finding the Fourth Proportional to 121,526.03, 167,741.12 and 70,550.21

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Solution

The fourth proportional to 121,526.03, 167,741.12 and 70,550.21 is: 97,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,526.03 : 167,741.12 = 70,550.21 : x
  2. Step 2: Convert to fraction form
    121,526.03/167,741.12 = 70,550.21/x
  3. Step 3: Cross multiply
    121,526.03x = 167,741.12 × 70,550.21
  4. Step 4: Simplify right side
    121,526.03x = 11,834,171,241.64
  5. Step 5: Solve for x
    x = 11,834,171,241.64/121,526.03
  6. Step 6: Final answer
    x = 97,379.72

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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.