Home / 380,918.47-571,371.36-92,733.16

Finding the Fourth Proportional to 380,918.47, 571,371.36 and 92,733.16

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Solution

The fourth proportional to 380,918.47, 571,371.36 and 92,733.16 is: 139,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,918.47 : 571,371.36 = 92,733.16 : x
  2. Step 2: Convert to fraction form
    380,918.47/571,371.36 = 92,733.16/x
  3. Step 3: Cross multiply
    380,918.47x = 571,371.36 × 92,733.16
  4. Step 4: Simplify right side
    380,918.47x = 52,985,071,746.30
  5. Step 5: Solve for x
    x = 52,985,071,746.30/380,918.47
  6. Step 6: Final answer
    x = 139,098.20

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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.