Home / 144,636.23-199,574.28-90,883.22

Finding the Fourth Proportional to 144,636.23, 199,574.28 and 90,883.22

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Solution

The fourth proportional to 144,636.23, 199,574.28 and 90,883.22 is: 125,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,636.23 : 199,574.28 = 90,883.22 : x
  2. Step 2: Convert to fraction form
    144,636.23/199,574.28 = 90,883.22/x
  3. Step 3: Cross multiply
    144,636.23x = 199,574.28 × 90,883.22
  4. Step 4: Simplify right side
    144,636.23x = 18,137,952,197.71
  5. Step 5: Solve for x
    x = 18,137,952,197.71/144,636.23
  6. Step 6: Final answer
    x = 125,403.93

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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.