Home / 112,140.15-168,177.21-42,003.06

Finding the Fourth Proportional to 112,140.15, 168,177.21 and 42,003.06

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Solution

The fourth proportional to 112,140.15, 168,177.21 and 42,003.06 is: 62,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,140.15 : 168,177.21 = 42,003.06 : x
  2. Step 2: Convert to fraction form
    112,140.15/168,177.21 = 42,003.06/x
  3. Step 3: Cross multiply
    112,140.15x = 168,177.21 × 42,003.06
  4. Step 4: Simplify right side
    112,140.15x = 7,063,957,442.26
  5. Step 5: Solve for x
    x = 7,063,957,442.26/112,140.15
  6. Step 6: Final answer
    x = 62,992.22

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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.