Home / 314,380.77-433,778.18-187,031.49

Finding the Fourth Proportional to 314,380.77, 433,778.18 and 187,031.49

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Solution

The fourth proportional to 314,380.77, 433,778.18 and 187,031.49 is: 258,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,380.77 : 433,778.18 = 187,031.49 : x
  2. Step 2: Convert to fraction form
    314,380.77/433,778.18 = 187,031.49/x
  3. Step 3: Cross multiply
    314,380.77x = 433,778.18 × 187,031.49
  4. Step 4: Simplify right side
    314,380.77x = 81,130,179,334.89
  5. Step 5: Solve for x
    x = 81,130,179,334.89/314,380.77
  6. Step 6: Final answer
    x = 258,063.43

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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.