Home / 151,242.16-208,715.52-84,174.16

Finding the Fourth Proportional to 151,242.16, 208,715.52 and 84,174.16

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Solution

The fourth proportional to 151,242.16, 208,715.52 and 84,174.16 is: 116,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,242.16 : 208,715.52 = 84,174.16 : x
  2. Step 2: Convert to fraction form
    151,242.16/208,715.52 = 84,174.16/x
  3. Step 3: Cross multiply
    151,242.16x = 208,715.52 × 84,174.16
  4. Step 4: Simplify right side
    151,242.16x = 17,568,453,574.96
  5. Step 5: Solve for x
    x = 17,568,453,574.96/151,242.16
  6. Step 6: Final answer
    x = 116,161.09

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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.