Home / 123,197.33-170,012.28-69,482.23

Finding the Fourth Proportional to 123,197.33, 170,012.28 and 69,482.23

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Solution

The fourth proportional to 123,197.33, 170,012.28 and 69,482.23 is: 95,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,197.33 : 170,012.28 = 69,482.23 : x
  2. Step 2: Convert to fraction form
    123,197.33/170,012.28 = 69,482.23/x
  3. Step 3: Cross multiply
    123,197.33x = 170,012.28 × 69,482.23
  4. Step 4: Simplify right side
    123,197.33x = 11,812,831,491.72
  5. Step 5: Solve for x
    x = 11,812,831,491.72/123,197.33
  6. Step 6: Final answer
    x = 95,885.45

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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.