Home / 127,224.64-190,836.96-57,085.12

Finding the Fourth Proportional to 127,224.64, 190,836.96 and 57,085.12

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Solution

The fourth proportional to 127,224.64, 190,836.96 and 57,085.12 is: 85,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224.64 : 190,836.96 = 57,085.12 : x
  2. Step 2: Convert to fraction form
    127,224.64/190,836.96 = 57,085.12/x
  3. Step 3: Cross multiply
    127,224.64x = 190,836.96 × 57,085.12
  4. Step 4: Simplify right side
    127,224.64x = 10,893,950,762.04
  5. Step 5: Solve for x
    x = 10,893,950,762.04/127,224.64
  6. Step 6: Final answer
    x = 85,627.68

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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.