Home / 118,550.39-177,628.14-83,416.23

Finding the Fourth Proportional to 118,550.39, 177,628.14 and 83,416.23

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Solution

The fourth proportional to 118,550.39, 177,628.14 and 83,416.23 is: 124,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,550.39 : 177,628.14 = 83,416.23 : x
  2. Step 2: Convert to fraction form
    118,550.39/177,628.14 = 83,416.23/x
  3. Step 3: Cross multiply
    118,550.39x = 177,628.14 × 83,416.23
  4. Step 4: Simplify right side
    118,550.39x = 14,817,069,780.71
  5. Step 5: Solve for x
    x = 14,817,069,780.71/118,550.39
  6. Step 6: Final answer
    x = 124,985.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.