Home / 151,544.45-209,129.68-83,567.40

Finding the Fourth Proportional to 151,544.45, 209,129.68 and 83,567.40

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Solution

The fourth proportional to 151,544.45, 209,129.68 and 83,567.40 is: 115,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544.45 : 209,129.68 = 83,567.40 : x
  2. Step 2: Convert to fraction form
    151,544.45/209,129.68 = 83,567.40/x
  3. Step 3: Cross multiply
    151,544.45x = 209,129.68 × 83,567.40
  4. Step 4: Simplify right side
    151,544.45x = 17,476,422,940.65
  5. Step 5: Solve for x
    x = 17,476,422,940.65/151,544.45
  6. Step 6: Final answer
    x = 115,322.09

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1.5x scale

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.