Home / 292,215.10-438,322.65-233,166.10

Finding the Fourth Proportional to 292,215.10, 438,322.65 and 233,166.10

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Solution

The fourth proportional to 292,215.10, 438,322.65 and 233,166.10 is: 349,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.10 : 438,322.65 = 233,166.10 : x
  2. Step 2: Convert to fraction form
    292,215.10/438,322.65 = 233,166.10/x
  3. Step 3: Cross multiply
    292,215.10x = 438,322.65 × 233,166.10
  4. Step 4: Simplify right side
    292,215.10x = 102,201,982,842.17
  5. Step 5: Solve for x
    x = 102,201,982,842.17/292,215.10
  6. Step 6: Final answer
    x = 349,749.15

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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.