Home / 151,772.00-209,445.66-83,789.06

Finding the Fourth Proportional to 151,772.00, 209,445.66 and 83,789.06

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Solution

The fourth proportional to 151,772.00, 209,445.66 and 83,789.06 is: 115,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,772.00 : 209,445.66 = 83,789.06 : x
  2. Step 2: Convert to fraction form
    151,772.00/209,445.66 = 83,789.06/x
  3. Step 3: Cross multiply
    151,772.00x = 209,445.66 × 83,789.06
  4. Step 4: Simplify right side
    151,772.00x = 17,549,253,925.25
  5. Step 5: Solve for x
    x = 17,549,253,925.25/151,772.00
  6. Step 6: Final answer
    x = 115,629.07

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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.