Home / 156,989.25-235,341.39-57,078.84

Finding the Fourth Proportional to 156,989.25, 235,341.39 and 57,078.84

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Solution

The fourth proportional to 156,989.25, 235,341.39 and 57,078.84 is: 85,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,989.25 : 235,341.39 = 57,078.84 : x
  2. Step 2: Convert to fraction form
    156,989.25/235,341.39 = 57,078.84/x
  3. Step 3: Cross multiply
    156,989.25x = 235,341.39 × 57,078.84
  4. Step 4: Simplify right side
    156,989.25x = 13,433,013,545.19
  5. Step 5: Solve for x
    x = 13,433,013,545.19/156,989.25
  6. Step 6: Final answer
    x = 85,566.45

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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.