Home / 151,636.08-209,215.80-97,923.36

Finding the Fourth Proportional to 151,636.08, 209,215.80 and 97,923.36

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Solution

The fourth proportional to 151,636.08, 209,215.80 and 97,923.36 is: 135,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,636.08 : 209,215.80 = 97,923.36 : x
  2. Step 2: Convert to fraction form
    151,636.08/209,215.80 = 97,923.36/x
  3. Step 3: Cross multiply
    151,636.08x = 209,215.80 × 97,923.36
  4. Step 4: Simplify right side
    151,636.08x = 20,487,114,101.09
  5. Step 5: Solve for x
    x = 20,487,114,101.09/151,636.08
  6. Step 6: Final answer
    x = 135,107.12

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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.