Home / 119,806.40-165,326.94-72,050.48

Finding the Fourth Proportional to 119,806.40, 165,326.94 and 72,050.48

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Solution

The fourth proportional to 119,806.40, 165,326.94 and 72,050.48 is: 99,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,806.40 : 165,326.94 = 72,050.48 : x
  2. Step 2: Convert to fraction form
    119,806.40/165,326.94 = 72,050.48/x
  3. Step 3: Cross multiply
    119,806.40x = 165,326.94 × 72,050.48
  4. Step 4: Simplify right side
    119,806.40x = 11,911,885,383.93
  5. Step 5: Solve for x
    x = 11,911,885,383.93/119,806.40
  6. Step 6: Final answer
    x = 99,426.12

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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.