Home / 187,693.02-259,023.51-107,133.66

Finding the Fourth Proportional to 187,693.02, 259,023.51 and 107,133.66

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Solution

The fourth proportional to 187,693.02, 259,023.51 and 107,133.66 is: 147,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,693.02 : 259,023.51 = 107,133.66 : x
  2. Step 2: Convert to fraction form
    187,693.02/259,023.51 = 107,133.66/x
  3. Step 3: Cross multiply
    187,693.02x = 259,023.51 × 107,133.66
  4. Step 4: Simplify right side
    187,693.02x = 27,750,136,652.35
  5. Step 5: Solve for x
    x = 27,750,136,652.35/187,693.02
  6. Step 6: Final answer
    x = 147,848.53

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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.