Home / 168,912.32-253,455.96-122,547.92

Finding the Fourth Proportional to 168,912.32, 253,455.96 and 122,547.92

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Solution

The fourth proportional to 168,912.32, 253,455.96 and 122,547.92 is: 183,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,912.32 : 253,455.96 = 122,547.92 : x
  2. Step 2: Convert to fraction form
    168,912.32/253,455.96 = 122,547.92/x
  3. Step 3: Cross multiply
    168,912.32x = 253,455.96 × 122,547.92
  4. Step 4: Simplify right side
    168,912.32x = 31,060,500,709.60
  5. Step 5: Solve for x
    x = 31,060,500,709.60/168,912.32
  6. Step 6: Final answer
    x = 183,885.35

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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.