Home / 292,359.03-403,455.51-158,223.03

Finding the Fourth Proportional to 292,359.03, 403,455.51 and 158,223.03

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Solution

The fourth proportional to 292,359.03, 403,455.51 and 158,223.03 is: 218,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,359.03 : 403,455.51 = 158,223.03 : x
  2. Step 2: Convert to fraction form
    292,359.03/403,455.51 = 158,223.03/x
  3. Step 3: Cross multiply
    292,359.03x = 403,455.51 × 158,223.03
  4. Step 4: Simplify right side
    292,359.03x = 63,835,953,262.40
  5. Step 5: Solve for x
    x = 63,835,953,262.40/292,359.03
  6. Step 6: Final answer
    x = 218,347.81

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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.