Home / 621,192.50-931,809.42-171,875.72

Finding the Fourth Proportional to 621,192.50, 931,809.42 and 171,875.72

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Solution

The fourth proportional to 621,192.50, 931,809.42 and 171,875.72 is: 257,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,192.50 : 931,809.42 = 171,875.72 : x
  2. Step 2: Convert to fraction form
    621,192.50/931,809.42 = 171,875.72/x
  3. Step 3: Cross multiply
    621,192.50x = 931,809.42 × 171,875.72
  4. Step 4: Simplify right side
    621,192.50x = 160,155,414,965.28
  5. Step 5: Solve for x
    x = 160,155,414,965.28/621,192.50
  6. Step 6: Final answer
    x = 257,819.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.