Home / 190,232.98-262,521-109,660.06

Finding the Fourth Proportional to 190,232.98, 262,521 and 109,660.06

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Solution

The fourth proportional to 190,232.98, 262,521 and 109,660.06 is: 151,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,232.98 : 262,521 = 109,660.06 : x
  2. Step 2: Convert to fraction form
    190,232.98/262,521 = 109,660.06/x
  3. Step 3: Cross multiply
    190,232.98x = 262,521 × 109,660.06
  4. Step 4: Simplify right side
    190,232.98x = 28,788,068,611.26
  5. Step 5: Solve for x
    x = 28,788,068,611.26/190,232.98
  6. Step 6: Final answer
    x = 151,330.59

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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.