Home / 115,944.40-160,018.10-68,202.19

Finding the Fourth Proportional to 115,944.40, 160,018.10 and 68,202.19

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Solution

The fourth proportional to 115,944.40, 160,018.10 and 68,202.19 is: 94,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,944.40 : 160,018.10 = 68,202.19 : x
  2. Step 2: Convert to fraction form
    115,944.40/160,018.10 = 68,202.19/x
  3. Step 3: Cross multiply
    115,944.40x = 160,018.10 × 68,202.19
  4. Step 4: Simplify right side
    115,944.40x = 10,913,584,859.64
  5. Step 5: Solve for x
    x = 10,913,584,859.64/115,944.40
  6. Step 6: Final answer
    x = 94,127.74

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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.