Home / 191,967.06-287,931.14-51,739.86

Finding the Fourth Proportional to 191,967.06, 287,931.14 and 51,739.86

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Solution

The fourth proportional to 191,967.06, 287,931.14 and 51,739.86 is: 77,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,967.06 : 287,931.14 = 51,739.86 : x
  2. Step 2: Convert to fraction form
    191,967.06/287,931.14 = 51,739.86/x
  3. Step 3: Cross multiply
    191,967.06x = 287,931.14 × 51,739.86
  4. Step 4: Simplify right side
    191,967.06x = 14,897,516,873.24
  5. Step 5: Solve for x
    x = 14,897,516,873.24/191,967.06
  6. Step 6: Final answer
    x = 77,604.55

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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.