Home / 320,925.70-442,884.18-175,737.61

Finding the Fourth Proportional to 320,925.70, 442,884.18 and 175,737.61

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Solution

The fourth proportional to 320,925.70, 442,884.18 and 175,737.61 is: 242,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,925.70 : 442,884.18 = 175,737.61 : x
  2. Step 2: Convert to fraction form
    320,925.70/442,884.18 = 175,737.61/x
  3. Step 3: Cross multiply
    320,925.70x = 442,884.18 × 175,737.61
  4. Step 4: Simplify right side
    320,925.70x = 77,831,407,300.01
  5. Step 5: Solve for x
    x = 77,831,407,300.01/320,925.70
  6. Step 6: Final answer
    x = 242,521.58

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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.