Home / 151,566.16-209,157.85-83,581.22

Finding the Fourth Proportional to 151,566.16, 209,157.85 and 83,581.22

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Solution

The fourth proportional to 151,566.16, 209,157.85 and 83,581.22 is: 115,340.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,566.16 : 209,157.85 = 83,581.22 : x
  2. Step 2: Convert to fraction form
    151,566.16/209,157.85 = 83,581.22/x
  3. Step 3: Cross multiply
    151,566.16x = 209,157.85 × 83,581.22
  4. Step 4: Simplify right side
    151,566.16x = 17,481,667,256.29
  5. Step 5: Solve for x
    x = 17,481,667,256.29/151,566.16
  6. Step 6: Final answer
    x = 115,340.17

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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.