Home / 376,030.55-563,985.38-109,728.68

Finding the Fourth Proportional to 376,030.55, 563,985.38 and 109,728.68

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Solution

The fourth proportional to 376,030.55, 563,985.38 and 109,728.68 is: 164,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,030.55 : 563,985.38 = 109,728.68 : x
  2. Step 2: Convert to fraction form
    376,030.55/563,985.38 = 109,728.68/x
  3. Step 3: Cross multiply
    376,030.55x = 563,985.38 × 109,728.68
  4. Step 4: Simplify right side
    376,030.55x = 61,885,368,741.09
  5. Step 5: Solve for x
    x = 61,885,368,741.09/376,030.55
  6. Step 6: Final answer
    x = 164,575.37

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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.