Home / 191,631.56-264,434.40-106,746.80

Finding the Fourth Proportional to 191,631.56, 264,434.40 and 106,746.80

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Solution

The fourth proportional to 191,631.56, 264,434.40 and 106,746.80 is: 147,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,631.56 : 264,434.40 = 106,746.80 : x
  2. Step 2: Convert to fraction form
    191,631.56/264,434.40 = 106,746.80/x
  3. Step 3: Cross multiply
    191,631.56x = 264,434.40 × 106,746.80
  4. Step 4: Simplify right side
    191,631.56x = 28,227,526,009.92
  5. Step 5: Solve for x
    x = 28,227,526,009.92/191,631.56
  6. Step 6: Final answer
    x = 147,301.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.