Home / 151,638.08-209,218.56-97,925.36

Finding the Fourth Proportional to 151,638.08, 209,218.56 and 97,925.36

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Solution

The fourth proportional to 151,638.08, 209,218.56 and 97,925.36 is: 135,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,638.08 : 209,218.56 = 97,925.36 : x
  2. Step 2: Convert to fraction form
    151,638.08/209,218.56 = 97,925.36/x
  3. Step 3: Cross multiply
    151,638.08x = 209,218.56 × 97,925.36
  4. Step 4: Simplify right side
    151,638.08x = 20,487,802,806.68
  5. Step 5: Solve for x
    x = 20,487,802,806.68/151,638.08
  6. Step 6: Final answer
    x = 135,109.88

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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.