Home / 403,118.47-604,663.58-136,881.29

Finding the Fourth Proportional to 403,118.47, 604,663.58 and 136,881.29

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Solution

The fourth proportional to 403,118.47, 604,663.58 and 136,881.29 is: 205,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,118.47 : 604,663.58 = 136,881.29 : x
  2. Step 2: Convert to fraction form
    403,118.47/604,663.58 = 136,881.29/x
  3. Step 3: Cross multiply
    403,118.47x = 604,663.58 × 136,881.29
  4. Step 4: Simplify right side
    403,118.47x = 82,767,132,700.28
  5. Step 5: Solve for x
    x = 82,767,132,700.28/403,118.47
  6. Step 6: Final answer
    x = 205,317.14

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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.