Home / 250,816.16-346,136.28-137,642.96

Finding the Fourth Proportional to 250,816.16, 346,136.28 and 137,642.96

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Solution

The fourth proportional to 250,816.16, 346,136.28 and 137,642.96 is: 189,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,816.16 : 346,136.28 = 137,642.96 : x
  2. Step 2: Convert to fraction form
    250,816.16/346,136.28 = 137,642.96/x
  3. Step 3: Cross multiply
    250,816.16x = 346,136.28 × 137,642.96
  4. Step 4: Simplify right side
    250,816.16x = 47,643,222,142.59
  5. Step 5: Solve for x
    x = 47,643,222,142.59/250,816.16
  6. Step 6: Final answer
    x = 189,952.76

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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.