Home / 189,371.47-284,056.84-110,430.34

Finding the Fourth Proportional to 189,371.47, 284,056.84 and 110,430.34

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Solution

The fourth proportional to 189,371.47, 284,056.84 and 110,430.34 is: 165,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,371.47 : 284,056.84 = 110,430.34 : x
  2. Step 2: Convert to fraction form
    189,371.47/284,056.84 = 110,430.34/x
  3. Step 3: Cross multiply
    189,371.47x = 284,056.84 × 110,430.34
  4. Step 4: Simplify right side
    189,371.47x = 31,368,492,848.42
  5. Step 5: Solve for x
    x = 31,368,492,848.42/189,371.47
  6. Step 6: Final answer
    x = 165,645.29

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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.