Home / 191,904.98-287,857.19-51,663.74

Finding the Fourth Proportional to 191,904.98, 287,857.19 and 51,663.74

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Solution

The fourth proportional to 191,904.98, 287,857.19 and 51,663.74 is: 77,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,904.98 : 287,857.19 = 51,663.74 : x
  2. Step 2: Convert to fraction form
    191,904.98/287,857.19 = 51,663.74/x
  3. Step 3: Cross multiply
    191,904.98x = 287,857.19 × 51,663.74
  4. Step 4: Simplify right side
    191,904.98x = 14,871,777,711.16
  5. Step 5: Solve for x
    x = 14,871,777,711.16/191,904.98
  6. Step 6: Final answer
    x = 77,495.53

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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.