Home / 113,197.86-169,864.84-42,172.74

Finding the Fourth Proportional to 113,197.86, 169,864.84 and 42,172.74

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Solution

The fourth proportional to 113,197.86, 169,864.84 and 42,172.74 is: 63,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,197.86 : 169,864.84 = 42,172.74 : x
  2. Step 2: Convert to fraction form
    113,197.86/169,864.84 = 42,172.74/x
  3. Step 3: Cross multiply
    113,197.86x = 169,864.84 × 42,172.74
  4. Step 4: Simplify right side
    113,197.86x = 7,163,665,732.46
  5. Step 5: Solve for x
    x = 7,163,665,732.46/113,197.86
  6. Step 6: Final answer
    x = 63,284.46

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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.