Home / 119,795.04-165,296.52-76,812.12

Finding the Fourth Proportional to 119,795.04, 165,296.52 and 76,812.12

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Solution

The fourth proportional to 119,795.04, 165,296.52 and 76,812.12 is: 105,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,795.04 : 165,296.52 = 76,812.12 : x
  2. Step 2: Convert to fraction form
    119,795.04/165,296.52 = 76,812.12/x
  3. Step 3: Cross multiply
    119,795.04x = 165,296.52 × 76,812.12
  4. Step 4: Simplify right side
    119,795.04x = 12,696,776,129.82
  5. Step 5: Solve for x
    x = 12,696,776,129.82/119,795.04
  6. Step 6: Final answer
    x = 105,987.49

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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.