Home / 141,521.34-195,313.26-105,649.08

Finding the Fourth Proportional to 141,521.34, 195,313.26 and 105,649.08

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Solution

The fourth proportional to 141,521.34, 195,313.26 and 105,649.08 is: 145,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.34 : 195,313.26 = 105,649.08 : x
  2. Step 2: Convert to fraction form
    141,521.34/195,313.26 = 105,649.08/x
  3. Step 3: Cross multiply
    141,521.34x = 195,313.26 × 105,649.08
  4. Step 4: Simplify right side
    141,521.34x = 20,634,666,230.80
  5. Step 5: Solve for x
    x = 20,634,666,230.80/141,521.34
  6. Step 6: Final answer
    x = 145,806.04

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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.