Home / 451,921.77-677,886.56-114,962.76

Finding the Fourth Proportional to 451,921.77, 677,886.56 and 114,962.76

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Solution

The fourth proportional to 451,921.77, 677,886.56 and 114,962.76 is: 172,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,921.77 : 677,886.56 = 114,962.76 : x
  2. Step 2: Convert to fraction form
    451,921.77/677,886.56 = 114,962.76/x
  3. Step 3: Cross multiply
    451,921.77x = 677,886.56 × 114,962.76
  4. Step 4: Simplify right side
    451,921.77x = 77,931,709,329.69
  5. Step 5: Solve for x
    x = 77,931,709,329.69/451,921.77
  6. Step 6: Final answer
    x = 172,445.13

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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.