Home / 110,461.15-152,429.09-65,136.99

Finding the Fourth Proportional to 110,461.15, 152,429.09 and 65,136.99

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Solution

The fourth proportional to 110,461.15, 152,429.09 and 65,136.99 is: 89,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,461.15 : 152,429.09 = 65,136.99 : x
  2. Step 2: Convert to fraction form
    110,461.15/152,429.09 = 65,136.99/x
  3. Step 3: Cross multiply
    110,461.15x = 152,429.09 × 65,136.99
  4. Step 4: Simplify right side
    110,461.15x = 9,928,772,723.36
  5. Step 5: Solve for x
    x = 9,928,772,723.36/110,461.15
  6. Step 6: Final answer
    x = 89,884.75

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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.