Home / 110,109.24-151,963.50-103,353.48

Finding the Fourth Proportional to 110,109.24, 151,963.50 and 103,353.48

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Solution

The fourth proportional to 110,109.24, 151,963.50 and 103,353.48 is: 142,639.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,109.24 : 151,963.50 = 103,353.48 : x
  2. Step 2: Convert to fraction form
    110,109.24/151,963.50 = 103,353.48/x
  3. Step 3: Cross multiply
    110,109.24x = 151,963.50 × 103,353.48
  4. Step 4: Simplify right side
    110,109.24x = 15,705,956,557.98
  5. Step 5: Solve for x
    x = 15,705,956,557.98/110,109.24
  6. Step 6: Final answer
    x = 142,639.77

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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.