Home / 112,768.90-168,667.35-101,007.70

Finding the Fourth Proportional to 112,768.90, 168,667.35 and 101,007.70

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Solution

The fourth proportional to 112,768.90, 168,667.35 and 101,007.70 is: 151,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,768.90 : 168,667.35 = 101,007.70 : x
  2. Step 2: Convert to fraction form
    112,768.90/168,667.35 = 101,007.70/x
  3. Step 3: Cross multiply
    112,768.90x = 168,667.35 × 101,007.70
  4. Step 4: Simplify right side
    112,768.90x = 17,036,701,088.60
  5. Step 5: Solve for x
    x = 17,036,701,088.60/112,768.90
  6. Step 6: Final answer
    x = 151,076.24

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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.