Home / 136,407.02-188,319.77-91,161.63

Finding the Fourth Proportional to 136,407.02, 188,319.77 and 91,161.63

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Solution

The fourth proportional to 136,407.02, 188,319.77 and 91,161.63 is: 125,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,407.02 : 188,319.77 = 91,161.63 : x
  2. Step 2: Convert to fraction form
    136,407.02/188,319.77 = 91,161.63/x
  3. Step 3: Cross multiply
    136,407.02x = 188,319.77 × 91,161.63
  4. Step 4: Simplify right side
    136,407.02x = 17,167,536,738.62
  5. Step 5: Solve for x
    x = 17,167,536,738.62/136,407.02
  6. Step 6: Final answer
    x = 125,855.23

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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.