Home / 151,698.32-209,342.22-83,715.92

Finding the Fourth Proportional to 151,698.32, 209,342.22 and 83,715.92

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Solution

The fourth proportional to 151,698.32, 209,342.22 and 83,715.92 is: 115,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,698.32 : 209,342.22 = 83,715.92 : x
  2. Step 2: Convert to fraction form
    151,698.32/209,342.22 = 83,715.92/x
  3. Step 3: Cross multiply
    151,698.32x = 209,342.22 × 83,715.92
  4. Step 4: Simplify right side
    151,698.32x = 17,525,276,542.14
  5. Step 5: Solve for x
    x = 17,525,276,542.14/151,698.32
  6. Step 6: Final answer
    x = 115,527.16

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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.