Home / 112,458.03-168,714.75-79,242.98

Finding the Fourth Proportional to 112,458.03, 168,714.75 and 79,242.98

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Solution

The fourth proportional to 112,458.03, 168,714.75 and 79,242.98 is: 118,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.03 : 168,714.75 = 79,242.98 : x
  2. Step 2: Convert to fraction form
    112,458.03/168,714.75 = 79,242.98/x
  3. Step 3: Cross multiply
    112,458.03x = 168,714.75 × 79,242.98
  4. Step 4: Simplify right side
    112,458.03x = 13,369,458,716.38
  5. Step 5: Solve for x
    x = 13,369,458,716.38/112,458.03
  6. Step 6: Final answer
    x = 118,883.98

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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.