Home / 251,970.10-376,111.43-222,077.32

Finding the Fourth Proportional to 251,970.10, 376,111.43 and 222,077.32

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Solution

The fourth proportional to 251,970.10, 376,111.43 and 222,077.32 is: 331,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,970.10 : 376,111.43 = 222,077.32 : x
  2. Step 2: Convert to fraction form
    251,970.10/376,111.43 = 222,077.32/x
  3. Step 3: Cross multiply
    251,970.10x = 376,111.43 × 222,077.32
  4. Step 4: Simplify right side
    251,970.10x = 83,525,818,395.77
  5. Step 5: Solve for x
    x = 83,525,818,395.77/251,970.10
  6. Step 6: Final answer
    x = 331,490.99

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1.5x scale

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.