Home / 210,110.81-289,952.52-114,617.48

Finding the Fourth Proportional to 210,110.81, 289,952.52 and 114,617.48

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Solution

The fourth proportional to 210,110.81, 289,952.52 and 114,617.48 is: 158,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,110.81 : 289,952.52 = 114,617.48 : x
  2. Step 2: Convert to fraction form
    210,110.81/289,952.52 = 114,617.48/x
  3. Step 3: Cross multiply
    210,110.81x = 289,952.52 × 114,617.48
  4. Step 4: Simplify right side
    210,110.81x = 33,233,625,712.29
  5. Step 5: Solve for x
    x = 33,233,625,712.29/210,110.81
  6. Step 6: Final answer
    x = 158,171.90

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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.