Home / 190,045.02-262,366.22-129,705.68

Finding the Fourth Proportional to 190,045.02, 262,366.22 and 129,705.68

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Solution

The fourth proportional to 190,045.02, 262,366.22 and 129,705.68 is: 179,064.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,045.02 : 262,366.22 = 129,705.68 : x
  2. Step 2: Convert to fraction form
    190,045.02/262,366.22 = 129,705.68/x
  3. Step 3: Cross multiply
    190,045.02x = 262,366.22 × 129,705.68
  4. Step 4: Simplify right side
    190,045.02x = 34,030,388,974.13
  5. Step 5: Solve for x
    x = 34,030,388,974.13/190,045.02
  6. Step 6: Final answer
    x = 179,064.88

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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.