Home / 148,118.63-204,398.65-84,476.93

Finding the Fourth Proportional to 148,118.63, 204,398.65 and 84,476.93

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Solution

The fourth proportional to 148,118.63, 204,398.65 and 84,476.93 is: 116,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,118.63 : 204,398.65 = 84,476.93 : x
  2. Step 2: Convert to fraction form
    148,118.63/204,398.65 = 84,476.93/x
  3. Step 3: Cross multiply
    148,118.63x = 204,398.65 × 84,476.93
  4. Step 4: Simplify right side
    148,118.63x = 17,266,970,448.14
  5. Step 5: Solve for x
    x = 17,266,970,448.14/148,118.63
  6. Step 6: Final answer
    x = 116,575.28

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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.