Home / 121,307.22-167,404.62-70,350.16

Finding the Fourth Proportional to 121,307.22, 167,404.62 and 70,350.16

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Solution

The fourth proportional to 121,307.22, 167,404.62 and 70,350.16 is: 97,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.22 : 167,404.62 = 70,350.16 : x
  2. Step 2: Convert to fraction form
    121,307.22/167,404.62 = 70,350.16/x
  3. Step 3: Cross multiply
    121,307.22x = 167,404.62 × 70,350.16
  4. Step 4: Simplify right side
    121,307.22x = 11,776,941,801.74
  5. Step 5: Solve for x
    x = 11,776,941,801.74/121,307.22
  6. Step 6: Final answer
    x = 97,083.60

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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.