Home / 331,655.07-457,685.51-188,422.98

Finding the Fourth Proportional to 331,655.07, 457,685.51 and 188,422.98

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Solution

The fourth proportional to 331,655.07, 457,685.51 and 188,422.98 is: 260,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,655.07 : 457,685.51 = 188,422.98 : x
  2. Step 2: Convert to fraction form
    331,655.07/457,685.51 = 188,422.98/x
  3. Step 3: Cross multiply
    331,655.07x = 457,685.51 × 188,422.98
  4. Step 4: Simplify right side
    331,655.07x = 86,238,467,697.02
  5. Step 5: Solve for x
    x = 86,238,467,697.02/331,655.07
  6. Step 6: Final answer
    x = 260,024.57

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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.