Home / 109,465.36-151,043.28-63,508.36

Finding the Fourth Proportional to 109,465.36, 151,043.28 and 63,508.36

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Solution

The fourth proportional to 109,465.36, 151,043.28 and 63,508.36 is: 87,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,465.36 : 151,043.28 = 63,508.36 : x
  2. Step 2: Convert to fraction form
    109,465.36/151,043.28 = 63,508.36/x
  3. Step 3: Cross multiply
    109,465.36x = 151,043.28 × 63,508.36
  4. Step 4: Simplify right side
    109,465.36x = 9,592,511,001.82
  5. Step 5: Solve for x
    x = 9,592,511,001.82/109,465.36
  6. Step 6: Final answer
    x = 87,630.56

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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.