Home / 194,151.47-291,297.26-67,810.30

Finding the Fourth Proportional to 194,151.47, 291,297.26 and 67,810.30

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Solution

The fourth proportional to 194,151.47, 291,297.26 and 67,810.30 is: 101,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,151.47 : 291,297.26 = 67,810.30 : x
  2. Step 2: Convert to fraction form
    194,151.47/291,297.26 = 67,810.30/x
  3. Step 3: Cross multiply
    194,151.47x = 291,297.26 × 67,810.30
  4. Step 4: Simplify right side
    194,151.47x = 19,752,954,031.06
  5. Step 5: Solve for x
    x = 19,752,954,031.06/194,151.47
  6. Step 6: Final answer
    x = 101,739.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.