Home / 223,535.22-308,466.12-128,048.06

Finding the Fourth Proportional to 223,535.22, 308,466.12 and 128,048.06

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Solution

The fourth proportional to 223,535.22, 308,466.12 and 128,048.06 is: 176,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,535.22 : 308,466.12 = 128,048.06 : x
  2. Step 2: Convert to fraction form
    223,535.22/308,466.12 = 128,048.06/x
  3. Step 3: Cross multiply
    223,535.22x = 308,466.12 × 128,048.06
  4. Step 4: Simplify right side
    223,535.22x = 39,498,488,241.73
  5. Step 5: Solve for x
    x = 39,498,488,241.73/223,535.22
  6. Step 6: Final answer
    x = 176,699.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.