Home / 144,448.18-199,332.60-84,020.56

Finding the Fourth Proportional to 144,448.18, 199,332.60 and 84,020.56

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Solution

The fourth proportional to 144,448.18, 199,332.60 and 84,020.56 is: 115,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,448.18 : 199,332.60 = 84,020.56 : x
  2. Step 2: Convert to fraction form
    144,448.18/199,332.60 = 84,020.56/x
  3. Step 3: Cross multiply
    144,448.18x = 199,332.60 × 84,020.56
  4. Step 4: Simplify right side
    144,448.18x = 16,748,036,678.26
  5. Step 5: Solve for x
    x = 16,748,036,678.26/144,448.18
  6. Step 6: Final answer
    x = 115,944.95

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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.