Home / 130,904.28-196,363.62-42,151.32

Finding the Fourth Proportional to 130,904.28, 196,363.62 and 42,151.32

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Solution

The fourth proportional to 130,904.28, 196,363.62 and 42,151.32 is: 63,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,904.28 : 196,363.62 = 42,151.32 : x
  2. Step 2: Convert to fraction form
    130,904.28/196,363.62 = 42,151.32/x
  3. Step 3: Cross multiply
    130,904.28x = 196,363.62 × 42,151.32
  4. Step 4: Simplify right side
    130,904.28x = 8,276,985,782.98
  5. Step 5: Solve for x
    x = 8,276,985,782.98/130,904.28
  6. Step 6: Final answer
    x = 63,229.30

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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.