Home / 103,088.16-154,662.21-43,144.92

Finding the Fourth Proportional to 103,088.16, 154,662.21 and 43,144.92

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Solution

The fourth proportional to 103,088.16, 154,662.21 and 43,144.92 is: 64,729.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,088.16 : 154,662.21 = 43,144.92 : x
  2. Step 2: Convert to fraction form
    103,088.16/154,662.21 = 43,144.92/x
  3. Step 3: Cross multiply
    103,088.16x = 154,662.21 × 43,144.92
  4. Step 4: Simplify right side
    103,088.16x = 6,672,888,677.47
  5. Step 5: Solve for x
    x = 6,672,888,677.47/103,088.16
  6. Step 6: Final answer
    x = 64,729.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.