Home / 146,088.32-219,483.63-138,023.30

Finding the Fourth Proportional to 146,088.32, 219,483.63 and 138,023.30

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Solution

The fourth proportional to 146,088.32, 219,483.63 and 138,023.30 is: 207,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,088.32 : 219,483.63 = 138,023.30 : x
  2. Step 2: Convert to fraction form
    146,088.32/219,483.63 = 138,023.30/x
  3. Step 3: Cross multiply
    146,088.32x = 219,483.63 × 138,023.30
  4. Step 4: Simplify right side
    146,088.32x = 30,293,854,908.58
  5. Step 5: Solve for x
    x = 30,293,854,908.58/146,088.32
  6. Step 6: Final answer
    x = 207,366.71

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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.