Home / 157,927.07-217,939.01-89,944.04

Finding the Fourth Proportional to 157,927.07, 217,939.01 and 89,944.04

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Solution

The fourth proportional to 157,927.07, 217,939.01 and 89,944.04 is: 124,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,927.07 : 217,939.01 = 89,944.04 : x
  2. Step 2: Convert to fraction form
    157,927.07/217,939.01 = 89,944.04/x
  3. Step 3: Cross multiply
    157,927.07x = 217,939.01 × 89,944.04
  4. Step 4: Simplify right side
    157,927.07x = 19,602,315,128.13
  5. Step 5: Solve for x
    x = 19,602,315,128.13/157,927.07
  6. Step 6: Final answer
    x = 124,122.58

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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.