Home / 117,343.56-161,933.78-63,628.40

Finding the Fourth Proportional to 117,343.56, 161,933.78 and 63,628.40

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Solution

The fourth proportional to 117,343.56, 161,933.78 and 63,628.40 is: 87,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,343.56 : 161,933.78 = 63,628.40 : x
  2. Step 2: Convert to fraction form
    117,343.56/161,933.78 = 63,628.40/x
  3. Step 3: Cross multiply
    117,343.56x = 161,933.78 × 63,628.40
  4. Step 4: Simplify right side
    117,343.56x = 10,303,587,327.35
  5. Step 5: Solve for x
    x = 10,303,587,327.35/117,343.56
  6. Step 6: Final answer
    x = 87,807.01

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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.