Home / 111,580.32-167,448.96-52,417.92

Finding the Fourth Proportional to 111,580.32, 167,448.96 and 52,417.92

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Solution

The fourth proportional to 111,580.32, 167,448.96 and 52,417.92 is: 78,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,580.32 : 167,448.96 = 52,417.92 : x
  2. Step 2: Convert to fraction form
    111,580.32/167,448.96 = 52,417.92/x
  3. Step 3: Cross multiply
    111,580.32x = 167,448.96 × 52,417.92
  4. Step 4: Simplify right side
    111,580.32x = 8,777,326,189.36
  5. Step 5: Solve for x
    x = 8,777,326,189.36/111,580.32
  6. Step 6: Final answer
    x = 78,663.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.