Home / 156,908.40-235,390.80-57,208.46

Finding the Fourth Proportional to 156,908.40, 235,390.80 and 57,208.46

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Solution

The fourth proportional to 156,908.40, 235,390.80 and 57,208.46 is: 85,822.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.40 : 235,390.80 = 57,208.46 : x
  2. Step 2: Convert to fraction form
    156,908.40/235,390.80 = 57,208.46/x
  3. Step 3: Cross multiply
    156,908.40x = 235,390.80 × 57,208.46
  4. Step 4: Simplify right side
    156,908.40x = 13,466,345,166.17
  5. Step 5: Solve for x
    x = 13,466,345,166.17/156,908.40
  6. Step 6: Final answer
    x = 85,822.97

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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.