Home / 257,614.02-355,343.76-186,099.12

Finding the Fourth Proportional to 257,614.02, 355,343.76 and 186,099.12

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Solution

The fourth proportional to 257,614.02, 355,343.76 and 186,099.12 is: 256,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,614.02 : 355,343.76 = 186,099.12 : x
  2. Step 2: Convert to fraction form
    257,614.02/355,343.76 = 186,099.12/x
  3. Step 3: Cross multiply
    257,614.02x = 355,343.76 × 186,099.12
  4. Step 4: Simplify right side
    257,614.02x = 66,129,161,033.49
  5. Step 5: Solve for x
    x = 66,129,161,033.49/257,614.02
  6. Step 6: Final answer
    x = 256,698.61

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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.