Home / 223,533.18-308,463.32-128,046.03

Finding the Fourth Proportional to 223,533.18, 308,463.32 and 128,046.03

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Solution

The fourth proportional to 223,533.18, 308,463.32 and 128,046.03 is: 176,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,533.18 : 308,463.32 = 128,046.03 : x
  2. Step 2: Convert to fraction form
    223,533.18/308,463.32 = 128,046.03/x
  3. Step 3: Cross multiply
    223,533.18x = 308,463.32 × 128,046.03
  4. Step 4: Simplify right side
    223,533.18x = 39,497,502,690.00
  5. Step 5: Solve for x
    x = 39,497,502,690.00/223,533.18
  6. Step 6: Final answer
    x = 176,696.38

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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.