Home / 127,544.20-191,097.60-83,148.10

Finding the Fourth Proportional to 127,544.20, 191,097.60 and 83,148.10

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Solution

The fourth proportional to 127,544.20, 191,097.60 and 83,148.10 is: 124,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,544.20 : 191,097.60 = 83,148.10 : x
  2. Step 2: Convert to fraction form
    127,544.20/191,097.60 = 83,148.10/x
  3. Step 3: Cross multiply
    127,544.20x = 191,097.60 × 83,148.10
  4. Step 4: Simplify right side
    127,544.20x = 15,889,402,354.56
  5. Step 5: Solve for x
    x = 15,889,402,354.56/127,544.20
  6. Step 6: Final answer
    x = 124,579.58

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1.5x scale

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.