Home / 212,096.40-292,689.89-115,297.04

Finding the Fourth Proportional to 212,096.40, 292,689.89 and 115,297.04

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Solution

The fourth proportional to 212,096.40, 292,689.89 and 115,297.04 is: 159,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,096.40 : 292,689.89 = 115,297.04 : x
  2. Step 2: Convert to fraction form
    212,096.40/292,689.89 = 115,297.04/x
  3. Step 3: Cross multiply
    212,096.40x = 292,689.89 × 115,297.04
  4. Step 4: Simplify right side
    212,096.40x = 33,746,277,954.93
  5. Step 5: Solve for x
    x = 33,746,277,954.93/212,096.40
  6. Step 6: Final answer
    x = 159,108.21

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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.