Home / 112,001.80-168,002.70-92,302.60

Finding the Fourth Proportional to 112,001.80, 168,002.70 and 92,302.60

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Solution

The fourth proportional to 112,001.80, 168,002.70 and 92,302.60 is: 138,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,001.80 : 168,002.70 = 92,302.60 : x
  2. Step 2: Convert to fraction form
    112,001.80/168,002.70 = 92,302.60/x
  3. Step 3: Cross multiply
    112,001.80x = 168,002.70 × 92,302.60
  4. Step 4: Simplify right side
    112,001.80x = 15,507,086,017.02
  5. Step 5: Solve for x
    x = 15,507,086,017.02/112,001.80
  6. Step 6: Final answer
    x = 138,453.90

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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.