Home / 126,427.16-174,454.62-69,835.16

Finding the Fourth Proportional to 126,427.16, 174,454.62 and 69,835.16

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Solution

The fourth proportional to 126,427.16, 174,454.62 and 69,835.16 is: 96,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,427.16 : 174,454.62 = 69,835.16 : x
  2. Step 2: Convert to fraction form
    126,427.16/174,454.62 = 69,835.16/x
  3. Step 3: Cross multiply
    126,427.16x = 174,454.62 × 69,835.16
  4. Step 4: Simplify right side
    126,427.16x = 12,183,066,300.44
  5. Step 5: Solve for x
    x = 12,183,066,300.44/126,427.16
  6. Step 6: Final answer
    x = 96,364.31

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1.5x scale

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.