Home / 218,814.17-328,256.28-92,455.63

Finding the Fourth Proportional to 218,814.17, 328,256.28 and 92,455.63

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Solution

The fourth proportional to 218,814.17, 328,256.28 and 92,455.63 is: 138,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,814.17 : 328,256.28 = 92,455.63 : x
  2. Step 2: Convert to fraction form
    218,814.17/328,256.28 = 92,455.63/x
  3. Step 3: Cross multiply
    218,814.17x = 328,256.28 × 92,455.63
  4. Step 4: Simplify right side
    218,814.17x = 30,349,140,348.22
  5. Step 5: Solve for x
    x = 30,349,140,348.22/218,814.17
  6. Step 6: Final answer
    x = 138,698.24

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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.