Home / 154,961.61-232,222.68-64,907.28

Finding the Fourth Proportional to 154,961.61, 232,222.68 and 64,907.28

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Solution

The fourth proportional to 154,961.61, 232,222.68 and 64,907.28 is: 97,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,961.61 : 232,222.68 = 64,907.28 : x
  2. Step 2: Convert to fraction form
    154,961.61/232,222.68 = 64,907.28/x
  3. Step 3: Cross multiply
    154,961.61x = 232,222.68 × 64,907.28
  4. Step 4: Simplify right side
    154,961.61x = 15,072,942,513.11
  5. Step 5: Solve for x
    x = 15,072,942,513.11/154,961.61
  6. Step 6: Final answer
    x = 97,268.88

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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.