Home / 141,510.16-195,234.96-87,775.84

Finding the Fourth Proportional to 141,510.16, 195,234.96 and 87,775.84

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Solution

The fourth proportional to 141,510.16, 195,234.96 and 87,775.84 is: 121,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,510.16 : 195,234.96 = 87,775.84 : x
  2. Step 2: Convert to fraction form
    141,510.16/195,234.96 = 87,775.84/x
  3. Step 3: Cross multiply
    141,510.16x = 195,234.96 × 87,775.84
  4. Step 4: Simplify right side
    141,510.16x = 17,136,912,611.37
  5. Step 5: Solve for x
    x = 17,136,912,611.37/141,510.16
  6. Step 6: Final answer
    x = 121,100.23

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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.