Home / 123,176.96-170,001.84-89,297.60

Finding the Fourth Proportional to 123,176.96, 170,001.84 and 89,297.60

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Solution

The fourth proportional to 123,176.96, 170,001.84 and 89,297.60 is: 123,243.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,176.96 : 170,001.84 = 89,297.60 : x
  2. Step 2: Convert to fraction form
    123,176.96/170,001.84 = 89,297.60/x
  3. Step 3: Cross multiply
    123,176.96x = 170,001.84 × 89,297.60
  4. Step 4: Simplify right side
    123,176.96x = 15,180,756,307.58
  5. Step 5: Solve for x
    x = 15,180,756,307.58/123,176.96
  6. Step 6: Final answer
    x = 123,243.47

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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.