Home / 121,248.89-167,323.74-70,271.44

Finding the Fourth Proportional to 121,248.89, 167,323.74 and 70,271.44

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Solution

The fourth proportional to 121,248.89, 167,323.74 and 70,271.44 is: 96,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.89 : 167,323.74 = 70,271.44 : x
  2. Step 2: Convert to fraction form
    121,248.89/167,323.74 = 70,271.44/x
  3. Step 3: Cross multiply
    121,248.89x = 167,323.74 × 70,271.44
  4. Step 4: Simplify right side
    121,248.89x = 11,758,080,155.99
  5. Step 5: Solve for x
    x = 11,758,080,155.99/121,248.89
  6. Step 6: Final answer
    x = 96,974.74

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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.