Home / 189,374.05-284,012.47-56,223.41

Finding the Fourth Proportional to 189,374.05, 284,012.47 and 56,223.41

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Solution

The fourth proportional to 189,374.05, 284,012.47 and 56,223.41 is: 84,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,374.05 : 284,012.47 = 56,223.41 : x
  2. Step 2: Convert to fraction form
    189,374.05/284,012.47 = 56,223.41/x
  3. Step 3: Cross multiply
    189,374.05x = 284,012.47 × 56,223.41
  4. Step 4: Simplify right side
    189,374.05x = 15,968,149,264.81
  5. Step 5: Solve for x
    x = 15,968,149,264.81/189,374.05
  6. Step 6: Final answer
    x = 84,320.69

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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.