Home / 154,977.84-232,444.80-49,783.20

Finding the Fourth Proportional to 154,977.84, 232,444.80 and 49,783.20

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Solution

The fourth proportional to 154,977.84, 232,444.80 and 49,783.20 is: 74,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,977.84 : 232,444.80 = 49,783.20 : x
  2. Step 2: Convert to fraction form
    154,977.84/232,444.80 = 49,783.20/x
  3. Step 3: Cross multiply
    154,977.84x = 232,444.80 × 49,783.20
  4. Step 4: Simplify right side
    154,977.84x = 11,571,845,967.36
  5. Step 5: Solve for x
    x = 11,571,845,967.36/154,977.84
  6. Step 6: Final answer
    x = 74,667.75

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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.