Home / 144,188.02-197,534.28-138,797.21

Finding the Fourth Proportional to 144,188.02, 197,534.28 and 138,797.21

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Solution

The fourth proportional to 144,188.02, 197,534.28 and 138,797.21 is: 190,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,188.02 : 197,534.28 = 138,797.21 : x
  2. Step 2: Convert to fraction form
    144,188.02/197,534.28 = 138,797.21/x
  3. Step 3: Cross multiply
    144,188.02x = 197,534.28 × 138,797.21
  4. Step 4: Simplify right side
    144,188.02x = 27,417,207,290.35
  5. Step 5: Solve for x
    x = 27,417,207,290.35/144,188.02
  6. Step 6: Final answer
    x = 190,149.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.