Home / 374,931.14-517,404.96-205,165.28

Finding the Fourth Proportional to 374,931.14, 517,404.96 and 205,165.28

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Solution

The fourth proportional to 374,931.14, 517,404.96 and 205,165.28 is: 283,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,931.14 : 517,404.96 = 205,165.28 : x
  2. Step 2: Convert to fraction form
    374,931.14/517,404.96 = 205,165.28/x
  3. Step 3: Cross multiply
    374,931.14x = 517,404.96 × 205,165.28
  4. Step 4: Simplify right side
    374,931.14x = 106,153,533,491.79
  5. Step 5: Solve for x
    x = 106,153,533,491.79/374,931.14
  6. Step 6: Final answer
    x = 283,128.08

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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.