Home / 292,116.12-403,139.04-164,788.98

Finding the Fourth Proportional to 292,116.12, 403,139.04 and 164,788.98

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Solution

The fourth proportional to 292,116.12, 403,139.04 and 164,788.98 is: 227,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,116.12 : 403,139.04 = 164,788.98 : x
  2. Step 2: Convert to fraction form
    292,116.12/403,139.04 = 164,788.98/x
  3. Step 3: Cross multiply
    292,116.12x = 403,139.04 × 164,788.98
  4. Step 4: Simplify right side
    292,116.12x = 66,432,871,199.78
  5. Step 5: Solve for x
    x = 66,432,871,199.78/292,116.12
  6. Step 6: Final answer
    x = 227,419.39

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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.