Home / 112,848.80-169,316.40-111,077.60

Finding the Fourth Proportional to 112,848.80, 169,316.40 and 111,077.60

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Solution

The fourth proportional to 112,848.80, 169,316.40 and 111,077.60 is: 166,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,848.80 : 169,316.40 = 111,077.60 : x
  2. Step 2: Convert to fraction form
    112,848.80/169,316.40 = 111,077.60/x
  3. Step 3: Cross multiply
    112,848.80x = 169,316.40 × 111,077.60
  4. Step 4: Simplify right side
    112,848.80x = 18,807,259,352.64
  5. Step 5: Solve for x
    x = 18,807,259,352.64/112,848.80
  6. Step 6: Final answer
    x = 166,658.92

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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.