Home / 114,405.24-157,872.78-66,666.36

Finding the Fourth Proportional to 114,405.24, 157,872.78 and 66,666.36

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Solution

The fourth proportional to 114,405.24, 157,872.78 and 66,666.36 is: 91,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,405.24 : 157,872.78 = 66,666.36 : x
  2. Step 2: Convert to fraction form
    114,405.24/157,872.78 = 66,666.36/x
  3. Step 3: Cross multiply
    114,405.24x = 157,872.78 × 66,666.36
  4. Step 4: Simplify right side
    114,405.24x = 10,524,803,585.68
  5. Step 5: Solve for x
    x = 10,524,803,585.68/114,405.24
  6. Step 6: Final answer
    x = 91,995.82

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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.