Home / 151,603.32-209,207.75-83,623.26

Finding the Fourth Proportional to 151,603.32, 209,207.75 and 83,623.26

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Solution

The fourth proportional to 151,603.32, 209,207.75 and 83,623.26 is: 115,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,603.32 : 209,207.75 = 83,623.26 : x
  2. Step 2: Convert to fraction form
    151,603.32/209,207.75 = 83,623.26/x
  3. Step 3: Cross multiply
    151,603.32x = 209,207.75 × 83,623.26
  4. Step 4: Simplify right side
    151,603.32x = 17,494,633,654.15
  5. Step 5: Solve for x
    x = 17,494,633,654.15/151,603.32
  6. Step 6: Final answer
    x = 115,397.43

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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.