Home / 112,030.90-168,046.35-111,253.30

Finding the Fourth Proportional to 112,030.90, 168,046.35 and 111,253.30

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Solution

The fourth proportional to 112,030.90, 168,046.35 and 111,253.30 is: 166,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.90 : 168,046.35 = 111,253.30 : x
  2. Step 2: Convert to fraction form
    112,030.90/168,046.35 = 111,253.30/x
  3. Step 3: Cross multiply
    112,030.90x = 168,046.35 × 111,253.30
  4. Step 4: Simplify right side
    112,030.90x = 18,695,710,990.46
  5. Step 5: Solve for x
    x = 18,695,710,990.46/112,030.90
  6. Step 6: Final answer
    x = 166,879.95

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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.