Home / 151,795.49-209,466.96-83,801.48

Finding the Fourth Proportional to 151,795.49, 209,466.96 and 83,801.48

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Solution

The fourth proportional to 151,795.49, 209,466.96 and 83,801.48 is: 115,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,795.49 : 209,466.96 = 83,801.48 : x
  2. Step 2: Convert to fraction form
    151,795.49/209,466.96 = 83,801.48/x
  3. Step 3: Cross multiply
    151,795.49x = 209,466.96 × 83,801.48
  4. Step 4: Simplify right side
    151,795.49x = 17,553,641,259.10
  5. Step 5: Solve for x
    x = 17,553,641,259.10/151,795.49
  6. Step 6: Final answer
    x = 115,640.07

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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.