Home / 157,944.44-217,966.81-86,329.10

Finding the Fourth Proportional to 157,944.44, 217,966.81 and 86,329.10

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Solution

The fourth proportional to 157,944.44, 217,966.81 and 86,329.10 is: 119,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,944.44 : 217,966.81 = 86,329.10 : x
  2. Step 2: Convert to fraction form
    157,944.44/217,966.81 = 86,329.10/x
  3. Step 3: Cross multiply
    157,944.44x = 217,966.81 × 86,329.10
  4. Step 4: Simplify right side
    157,944.44x = 18,816,877,447.34
  5. Step 5: Solve for x
    x = 18,816,877,447.34/157,944.44
  6. Step 6: Final answer
    x = 119,136.06

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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.