Home / 119,837.61-165,346.40-73,258.76

Finding the Fourth Proportional to 119,837.61, 165,346.40 and 73,258.76

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Solution

The fourth proportional to 119,837.61, 165,346.40 and 73,258.76 is: 101,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.61 : 165,346.40 = 73,258.76 : x
  2. Step 2: Convert to fraction form
    119,837.61/165,346.40 = 73,258.76/x
  3. Step 3: Cross multiply
    119,837.61x = 165,346.40 × 73,258.76
  4. Step 4: Simplify right side
    119,837.61x = 12,113,072,830.98
  5. Step 5: Solve for x
    x = 12,113,072,830.98/119,837.61
  6. Step 6: Final answer
    x = 101,079.06

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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.