Home / 119,976.90-165,566.75-65,528.81

Finding the Fourth Proportional to 119,976.90, 165,566.75 and 65,528.81

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Solution

The fourth proportional to 119,976.90, 165,566.75 and 65,528.81 is: 90,429.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.90 : 165,566.75 = 65,528.81 : x
  2. Step 2: Convert to fraction form
    119,976.90/165,566.75 = 65,528.81/x
  3. Step 3: Cross multiply
    119,976.90x = 165,566.75 × 65,528.81
  4. Step 4: Simplify right side
    119,976.90x = 10,849,390,947.59
  5. Step 5: Solve for x
    x = 10,849,390,947.59/119,976.90
  6. Step 6: Final answer
    x = 90,429.00

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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.