Home / 151,507.23-209,081.41-83,526.68

Finding the Fourth Proportional to 151,507.23, 209,081.41 and 83,526.68

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Solution

The fourth proportional to 151,507.23, 209,081.41 and 83,526.68 is: 115,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,507.23 : 209,081.41 = 83,526.68 : x
  2. Step 2: Convert to fraction form
    151,507.23/209,081.41 = 83,526.68/x
  3. Step 3: Cross multiply
    151,507.23x = 209,081.41 × 83,526.68
  4. Step 4: Simplify right side
    151,507.23x = 17,463,876,340.91
  5. Step 5: Solve for x
    x = 17,463,876,340.91/151,507.23
  6. Step 6: Final answer
    x = 115,267.61

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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.