Home / 213,983.70-295,297.29-118,490.39

Finding the Fourth Proportional to 213,983.70, 295,297.29 and 118,490.39

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Solution

The fourth proportional to 213,983.70, 295,297.29 and 118,490.39 is: 163,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,983.70 : 295,297.29 = 118,490.39 : x
  2. Step 2: Convert to fraction form
    213,983.70/295,297.29 = 118,490.39/x
  3. Step 3: Cross multiply
    213,983.70x = 295,297.29 × 118,490.39
  4. Step 4: Simplify right side
    213,983.70x = 34,989,890,688.92
  5. Step 5: Solve for x
    x = 34,989,890,688.92/213,983.70
  6. Step 6: Final answer
    x = 163,516.62

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1.5x scale

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.