Home / 268,972.02-371,056.68-173,509.47

Finding the Fourth Proportional to 268,972.02, 371,056.68 and 173,509.47

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Solution

The fourth proportional to 268,972.02, 371,056.68 and 173,509.47 is: 239,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.02 : 371,056.68 = 173,509.47 : x
  2. Step 2: Convert to fraction form
    268,972.02/371,056.68 = 173,509.47/x
  3. Step 3: Cross multiply
    268,972.02x = 371,056.68 × 173,509.47
  4. Step 4: Simplify right side
    268,972.02x = 64,381,847,886.76
  5. Step 5: Solve for x
    x = 64,381,847,886.76/268,972.02
  6. Step 6: Final answer
    x = 239,362.62

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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.