Home / 189,541.49-284,475.98-77,283.59

Finding the Fourth Proportional to 189,541.49, 284,475.98 and 77,283.59

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Solution

The fourth proportional to 189,541.49, 284,475.98 and 77,283.59 is: 115,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541.49 : 284,475.98 = 77,283.59 : x
  2. Step 2: Convert to fraction form
    189,541.49/284,475.98 = 77,283.59/x
  3. Step 3: Cross multiply
    189,541.49x = 284,475.98 × 77,283.59
  4. Step 4: Simplify right side
    189,541.49x = 21,985,323,774.00
  5. Step 5: Solve for x
    x = 21,985,323,774.00/189,541.49
  6. Step 6: Final answer
    x = 115,992.15

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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.