Home / 191,966.06-287,929.64-51,738.86

Finding the Fourth Proportional to 191,966.06, 287,929.64 and 51,738.86

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Solution

The fourth proportional to 191,966.06, 287,929.64 and 51,738.86 is: 77,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,966.06 : 287,929.64 = 51,738.86 : x
  2. Step 2: Convert to fraction form
    191,966.06/287,929.64 = 51,738.86/x
  3. Step 3: Cross multiply
    191,966.06x = 287,929.64 × 51,738.86
  4. Step 4: Simplify right side
    191,966.06x = 14,897,151,333.81
  5. Step 5: Solve for x
    x = 14,897,151,333.81/191,966.06
  6. Step 6: Final answer
    x = 77,603.05

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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.