Home / 134,512.32-185,427.76-86,107.12

Finding the Fourth Proportional to 134,512.32, 185,427.76 and 86,107.12

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Solution

The fourth proportional to 134,512.32, 185,427.76 and 86,107.12 is: 118,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,512.32 : 185,427.76 = 86,107.12 : x
  2. Step 2: Convert to fraction form
    134,512.32/185,427.76 = 86,107.12/x
  3. Step 3: Cross multiply
    134,512.32x = 185,427.76 × 86,107.12
  4. Step 4: Simplify right side
    134,512.32x = 15,966,650,381.65
  5. Step 5: Solve for x
    x = 15,966,650,381.65/134,512.32
  6. Step 6: Final answer
    x = 118,700.28

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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.