Home / 121,521.67-167,673.03-70,504.84

Finding the Fourth Proportional to 121,521.67, 167,673.03 and 70,504.84

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Solution

The fourth proportional to 121,521.67, 167,673.03 and 70,504.84 is: 97,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,521.67 : 167,673.03 = 70,504.84 : x
  2. Step 2: Convert to fraction form
    121,521.67/167,673.03 = 70,504.84/x
  3. Step 3: Cross multiply
    121,521.67x = 167,673.03 × 70,504.84
  4. Step 4: Simplify right side
    121,521.67x = 11,821,760,152.47
  5. Step 5: Solve for x
    x = 11,821,760,152.47/121,521.67
  6. Step 6: Final answer
    x = 97,281.09

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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.