Home / 111,009.20-166,590.35-96,203.21

Finding the Fourth Proportional to 111,009.20, 166,590.35 and 96,203.21

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Solution

The fourth proportional to 111,009.20, 166,590.35 and 96,203.21 is: 144,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,009.20 : 166,590.35 = 96,203.21 : x
  2. Step 2: Convert to fraction form
    111,009.20/166,590.35 = 96,203.21/x
  3. Step 3: Cross multiply
    111,009.20x = 166,590.35 × 96,203.21
  4. Step 4: Simplify right side
    111,009.20x = 16,026,525,111.06
  5. Step 5: Solve for x
    x = 16,026,525,111.06/111,009.20
  6. Step 6: Final answer
    x = 144,371.15

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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.