Home / 113,996.12-157,322.78-63,007.76

Finding the Fourth Proportional to 113,996.12, 157,322.78 and 63,007.76

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Solution

The fourth proportional to 113,996.12, 157,322.78 and 63,007.76 is: 86,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,996.12 : 157,322.78 = 63,007.76 : x
  2. Step 2: Convert to fraction form
    113,996.12/157,322.78 = 63,007.76/x
  3. Step 3: Cross multiply
    113,996.12x = 157,322.78 × 63,007.76
  4. Step 4: Simplify right side
    113,996.12x = 9,912,554,863.12
  5. Step 5: Solve for x
    x = 9,912,554,863.12/113,996.12
  6. Step 6: Final answer
    x = 86,955.20

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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.