Home / 189,873.18-284,838.93-56,738.34

Finding the Fourth Proportional to 189,873.18, 284,838.93 and 56,738.34

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Solution

The fourth proportional to 189,873.18, 284,838.93 and 56,738.34 is: 85,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,873.18 : 284,838.93 = 56,738.34 : x
  2. Step 2: Convert to fraction form
    189,873.18/284,838.93 = 56,738.34/x
  3. Step 3: Cross multiply
    189,873.18x = 284,838.93 × 56,738.34
  4. Step 4: Simplify right side
    189,873.18x = 16,161,288,055.58
  5. Step 5: Solve for x
    x = 16,161,288,055.58/189,873.18
  6. Step 6: Final answer
    x = 85,116.22

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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.