Home / 127,606.34-191,409.58-57,403.64

Finding the Fourth Proportional to 127,606.34, 191,409.58 and 57,403.64

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Solution

The fourth proportional to 127,606.34, 191,409.58 and 57,403.64 is: 86,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.34 : 191,409.58 = 57,403.64 : x
  2. Step 2: Convert to fraction form
    127,606.34/191,409.58 = 57,403.64/x
  3. Step 3: Cross multiply
    127,606.34x = 191,409.58 × 57,403.64
  4. Step 4: Simplify right side
    127,606.34x = 10,987,606,622.87
  5. Step 5: Solve for x
    x = 10,987,606,622.87/127,606.34
  6. Step 6: Final answer
    x = 86,105.49

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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.