Home / 151,644.40-209,176.52-97,178.22

Finding the Fourth Proportional to 151,644.40, 209,176.52 and 97,178.22

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Solution

The fourth proportional to 151,644.40, 209,176.52 and 97,178.22 is: 134,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,644.40 : 209,176.52 = 97,178.22 : x
  2. Step 2: Convert to fraction form
    151,644.40/209,176.52 = 97,178.22/x
  3. Step 3: Cross multiply
    151,644.40x = 209,176.52 × 97,178.22
  4. Step 4: Simplify right side
    151,644.40x = 20,327,401,393.50
  5. Step 5: Solve for x
    x = 20,327,401,393.50/151,644.40
  6. Step 6: Final answer
    x = 134,046.50

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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.