Home / 211,216.02-314,939.98-187,744.02

Finding the Fourth Proportional to 211,216.02, 314,939.98 and 187,744.02

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Solution

The fourth proportional to 211,216.02, 314,939.98 and 187,744.02 is: 279,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,216.02 : 314,939.98 = 187,744.02 : x
  2. Step 2: Convert to fraction form
    211,216.02/314,939.98 = 187,744.02/x
  3. Step 3: Cross multiply
    211,216.02x = 314,939.98 × 187,744.02
  4. Step 4: Simplify right side
    211,216.02x = 59,128,097,903.92
  5. Step 5: Solve for x
    x = 59,128,097,903.92/211,216.02
  6. Step 6: Final answer
    x = 279,941.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.