Home / 158,934.99-219,342.57-90,973.26

Finding the Fourth Proportional to 158,934.99, 219,342.57 and 90,973.26

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Solution

The fourth proportional to 158,934.99, 219,342.57 and 90,973.26 is: 125,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,934.99 : 219,342.57 = 90,973.26 : x
  2. Step 2: Convert to fraction form
    158,934.99/219,342.57 = 90,973.26/x
  3. Step 3: Cross multiply
    158,934.99x = 219,342.57 × 90,973.26
  4. Step 4: Simplify right side
    158,934.99x = 19,954,308,649.68
  5. Step 5: Solve for x
    x = 19,954,308,649.68/158,934.99
  6. Step 6: Final answer
    x = 125,550.13

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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.