Home / 189,827.61-284,820.01-83,156.46

Finding the Fourth Proportional to 189,827.61, 284,820.01 and 83,156.46

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Solution

The fourth proportional to 189,827.61, 284,820.01 and 83,156.46 is: 124,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,827.61 : 284,820.01 = 83,156.46 : x
  2. Step 2: Convert to fraction form
    189,827.61/284,820.01 = 83,156.46/x
  3. Step 3: Cross multiply
    189,827.61x = 284,820.01 × 83,156.46
  4. Step 4: Simplify right side
    189,827.61x = 23,684,623,768.76
  5. Step 5: Solve for x
    x = 23,684,623,768.76/189,827.61
  6. Step 6: Final answer
    x = 124,769.12

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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.