Home / 154,041.52-212,577.94-84,192.23

Finding the Fourth Proportional to 154,041.52, 212,577.94 and 84,192.23

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Solution

The fourth proportional to 154,041.52, 212,577.94 and 84,192.23 is: 116,185.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,041.52 : 212,577.94 = 84,192.23 : x
  2. Step 2: Convert to fraction form
    154,041.52/212,577.94 = 84,192.23/x
  3. Step 3: Cross multiply
    154,041.52x = 212,577.94 × 84,192.23
  4. Step 4: Simplify right side
    154,041.52x = 17,897,410,817.41
  5. Step 5: Solve for x
    x = 17,897,410,817.41/154,041.52
  6. Step 6: Final answer
    x = 116,185.63

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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.