Home / 171,131.48-236,066.64-99,503.58

Finding the Fourth Proportional to 171,131.48, 236,066.64 and 99,503.58

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Solution

The fourth proportional to 171,131.48, 236,066.64 and 99,503.58 is: 137,259.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,131.48 : 236,066.64 = 99,503.58 : x
  2. Step 2: Convert to fraction form
    171,131.48/236,066.64 = 99,503.58/x
  3. Step 3: Cross multiply
    171,131.48x = 236,066.64 × 99,503.58
  4. Step 4: Simplify right side
    171,131.48x = 23,489,475,798.57
  5. Step 5: Solve for x
    x = 23,489,475,798.57/171,131.48
  6. Step 6: Final answer
    x = 137,259.82

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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.