Home / 121,308.29-167,406.12-70,351.24

Finding the Fourth Proportional to 121,308.29, 167,406.12 and 70,351.24

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Solution

The fourth proportional to 121,308.29, 167,406.12 and 70,351.24 is: 97,085.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,308.29 : 167,406.12 = 70,351.24 : x
  2. Step 2: Convert to fraction form
    121,308.29/167,406.12 = 70,351.24/x
  3. Step 3: Cross multiply
    121,308.29x = 167,406.12 × 70,351.24
  4. Step 4: Simplify right side
    121,308.29x = 11,777,228,071.03
  5. Step 5: Solve for x
    x = 11,777,228,071.03/121,308.29
  6. Step 6: Final answer
    x = 97,085.10

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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.