Home / 190,444.88-285,577.79-70,418.90

Finding the Fourth Proportional to 190,444.88, 285,577.79 and 70,418.90

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Solution

The fourth proportional to 190,444.88, 285,577.79 and 70,418.90 is: 105,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,444.88 : 285,577.79 = 70,418.90 : x
  2. Step 2: Convert to fraction form
    190,444.88/285,577.79 = 70,418.90/x
  3. Step 3: Cross multiply
    190,444.88x = 285,577.79 × 70,418.90
  4. Step 4: Simplify right side
    190,444.88x = 20,110,074,198.08
  5. Step 5: Solve for x
    x = 20,110,074,198.08/190,444.88
  6. Step 6: Final answer
    x = 105,595.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.