Home / 147,550.83-203,643.77-83,909.13

Finding the Fourth Proportional to 147,550.83, 203,643.77 and 83,909.13

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Solution

The fourth proportional to 147,550.83, 203,643.77 and 83,909.13 is: 115,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,550.83 : 203,643.77 = 83,909.13 : x
  2. Step 2: Convert to fraction form
    147,550.83/203,643.77 = 83,909.13/x
  3. Step 3: Cross multiply
    147,550.83x = 203,643.77 × 83,909.13
  4. Step 4: Simplify right side
    147,550.83x = 17,087,571,151.07
  5. Step 5: Solve for x
    x = 17,087,571,151.07/147,550.83
  6. Step 6: Final answer
    x = 115,808.03

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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.