Home / 191,780.10-264,657.72-106,902.60

Finding the Fourth Proportional to 191,780.10, 264,657.72 and 106,902.60

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Solution

The fourth proportional to 191,780.10, 264,657.72 and 106,902.60 is: 147,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,780.10 : 264,657.72 = 106,902.60 : x
  2. Step 2: Convert to fraction form
    191,780.10/264,657.72 = 106,902.60/x
  3. Step 3: Cross multiply
    191,780.10x = 264,657.72 × 106,902.60
  4. Step 4: Simplify right side
    191,780.10x = 28,292,598,378.07
  5. Step 5: Solve for x
    x = 28,292,598,378.07/191,780.10
  6. Step 6: Final answer
    x = 147,526.25

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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.