Home / 190,407.24-285,618.69-157,065.21

Finding the Fourth Proportional to 190,407.24, 285,618.69 and 157,065.21

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Solution

The fourth proportional to 190,407.24, 285,618.69 and 157,065.21 is: 235,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,407.24 : 285,618.69 = 157,065.21 : x
  2. Step 2: Convert to fraction form
    190,407.24/285,618.69 = 157,065.21/x
  3. Step 3: Cross multiply
    190,407.24x = 285,618.69 × 157,065.21
  4. Step 4: Simplify right side
    190,407.24x = 44,860,759,524.77
  5. Step 5: Solve for x
    x = 44,860,759,524.77/190,407.24
  6. Step 6: Final answer
    x = 235,604.27

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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.