Home / 136,015.21-187,616.28-93,499.93

Finding the Fourth Proportional to 136,015.21, 187,616.28 and 93,499.93

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Solution

The fourth proportional to 136,015.21, 187,616.28 and 93,499.93 is: 128,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.21 : 187,616.28 = 93,499.93 : x
  2. Step 2: Convert to fraction form
    136,015.21/187,616.28 = 93,499.93/x
  3. Step 3: Cross multiply
    136,015.21x = 187,616.28 × 93,499.93
  4. Step 4: Simplify right side
    136,015.21x = 17,542,109,046.86
  5. Step 5: Solve for x
    x = 17,542,109,046.86/136,015.21
  6. Step 6: Final answer
    x = 128,971.67

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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.