Home / 316,569.52-474,970.38-166,803.76

Finding the Fourth Proportional to 316,569.52, 474,970.38 and 166,803.76

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Solution

The fourth proportional to 316,569.52, 474,970.38 and 166,803.76 is: 250,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,569.52 : 474,970.38 = 166,803.76 : x
  2. Step 2: Convert to fraction form
    316,569.52/474,970.38 = 166,803.76/x
  3. Step 3: Cross multiply
    316,569.52x = 474,970.38 × 166,803.76
  4. Step 4: Simplify right side
    316,569.52x = 79,226,845,272.63
  5. Step 5: Solve for x
    x = 79,226,845,272.63/316,569.52
  6. Step 6: Final answer
    x = 250,266.81

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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.