Home / 124,515.83-186,900.87-91,136.75

Finding the Fourth Proportional to 124,515.83, 186,900.87 and 91,136.75

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Solution

The fourth proportional to 124,515.83, 186,900.87 and 91,136.75 is: 136,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.83 : 186,900.87 = 91,136.75 : x
  2. Step 2: Convert to fraction form
    124,515.83/186,900.87 = 91,136.75/x
  3. Step 3: Cross multiply
    124,515.83x = 186,900.87 × 91,136.75
  4. Step 4: Simplify right side
    124,515.83x = 17,033,536,758.59
  5. Step 5: Solve for x
    x = 17,033,536,758.59/124,515.83
  6. Step 6: Final answer
    x = 136,798.16

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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.