Home / 157,511.78-217,361.46-89,536.18

Finding the Fourth Proportional to 157,511.78, 217,361.46 and 89,536.18

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Solution

The fourth proportional to 157,511.78, 217,361.46 and 89,536.18 is: 123,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,511.78 : 217,361.46 = 89,536.18 : x
  2. Step 2: Convert to fraction form
    157,511.78/217,361.46 = 89,536.18/x
  3. Step 3: Cross multiply
    157,511.78x = 217,361.46 × 89,536.18
  4. Step 4: Simplify right side
    157,511.78x = 19,461,714,807.62
  5. Step 5: Solve for x
    x = 19,461,714,807.62/157,511.78
  6. Step 6: Final answer
    x = 123,557.20

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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.