Home / 216,050.84-298,203.51-131,238.98

Finding the Fourth Proportional to 216,050.84, 298,203.51 and 131,238.98

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Solution

The fourth proportional to 216,050.84, 298,203.51 and 131,238.98 is: 181,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,050.84 : 298,203.51 = 131,238.98 : x
  2. Step 2: Convert to fraction form
    216,050.84/298,203.51 = 131,238.98/x
  3. Step 3: Cross multiply
    216,050.84x = 298,203.51 × 131,238.98
  4. Step 4: Simplify right side
    216,050.84x = 39,135,924,484.82
  5. Step 5: Solve for x
    x = 39,135,924,484.82/216,050.84
  6. Step 6: Final answer
    x = 181,142.20

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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.