Home / 119,788.23-165,308.76-66,075.06

Finding the Fourth Proportional to 119,788.23, 165,308.76 and 66,075.06

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Solution

The fourth proportional to 119,788.23, 165,308.76 and 66,075.06 is: 91,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788.23 : 165,308.76 = 66,075.06 : x
  2. Step 2: Convert to fraction form
    119,788.23/165,308.76 = 66,075.06/x
  3. Step 3: Cross multiply
    119,788.23x = 165,308.76 × 66,075.06
  4. Step 4: Simplify right side
    119,788.23x = 10,922,786,235.53
  5. Step 5: Solve for x
    x = 10,922,786,235.53/119,788.23
  6. Step 6: Final answer
    x = 91,184.14

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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.