Home / 202,149.63-302,726.19-127,083.60

Finding the Fourth Proportional to 202,149.63, 302,726.19 and 127,083.60

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Solution

The fourth proportional to 202,149.63, 302,726.19 and 127,083.60 is: 190,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,149.63 : 302,726.19 = 127,083.60 : x
  2. Step 2: Convert to fraction form
    202,149.63/302,726.19 = 127,083.60/x
  3. Step 3: Cross multiply
    202,149.63x = 302,726.19 × 127,083.60
  4. Step 4: Simplify right side
    202,149.63x = 38,471,534,039.48
  5. Step 5: Solve for x
    x = 38,471,534,039.48/202,149.63
  6. Step 6: Final answer
    x = 190,312.17

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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.