Home / 144,055.50-198,798.39-83,628.69

Finding the Fourth Proportional to 144,055.50, 198,798.39 and 83,628.69

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Solution

The fourth proportional to 144,055.50, 198,798.39 and 83,628.69 is: 115,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,055.50 : 198,798.39 = 83,628.69 : x
  2. Step 2: Convert to fraction form
    144,055.50/198,798.39 = 83,628.69/x
  3. Step 3: Cross multiply
    144,055.50x = 198,798.39 × 83,628.69
  4. Step 4: Simplify right side
    144,055.50x = 16,625,248,929.81
  5. Step 5: Solve for x
    x = 16,625,248,929.81/144,055.50
  6. Step 6: Final answer
    x = 115,408.64

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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.