Home / 131,598.01-181,440.67-109,825.63

Finding the Fourth Proportional to 131,598.01, 181,440.67 and 109,825.63

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Solution

The fourth proportional to 131,598.01, 181,440.67 and 109,825.63 is: 151,422.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,598.01 : 181,440.67 = 109,825.63 : x
  2. Step 2: Convert to fraction form
    131,598.01/181,440.67 = 109,825.63/x
  3. Step 3: Cross multiply
    131,598.01x = 181,440.67 × 109,825.63
  4. Step 4: Simplify right side
    131,598.01x = 19,926,835,890.37
  5. Step 5: Solve for x
    x = 19,926,835,890.37/131,598.01
  6. Step 6: Final answer
    x = 151,422.02

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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.