Home / 212,046.02-318,068.82-54,274.22

Finding the Fourth Proportional to 212,046.02, 318,068.82 and 54,274.22

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Solution

The fourth proportional to 212,046.02, 318,068.82 and 54,274.22 is: 81,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,046.02 : 318,068.82 = 54,274.22 : x
  2. Step 2: Convert to fraction form
    212,046.02/318,068.82 = 54,274.22/x
  3. Step 3: Cross multiply
    212,046.02x = 318,068.82 × 54,274.22
  4. Step 4: Simplify right side
    212,046.02x = 17,262,935,521.48
  5. Step 5: Solve for x
    x = 17,262,935,521.48/212,046.02
  6. Step 6: Final answer
    x = 81,411.27

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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.