Home / 127,314.29-190,610.58-105,794.21

Finding the Fourth Proportional to 127,314.29, 190,610.58 and 105,794.21

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Solution

The fourth proportional to 127,314.29, 190,610.58 and 105,794.21 is: 158,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314.29 : 190,610.58 = 105,794.21 : x
  2. Step 2: Convert to fraction form
    127,314.29/190,610.58 = 105,794.21/x
  3. Step 3: Cross multiply
    127,314.29x = 190,610.58 × 105,794.21
  4. Step 4: Simplify right side
    127,314.29x = 20,165,495,728.74
  5. Step 5: Solve for x
    x = 20,165,495,728.74/127,314.29
  6. Step 6: Final answer
    x = 158,391.46

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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.