Home / 185,029.40-255,346.75-113,395.58

Finding the Fourth Proportional to 185,029.40, 255,346.75 and 113,395.58

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Solution

The fourth proportional to 185,029.40, 255,346.75 and 113,395.58 is: 156,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,029.40 : 255,346.75 = 113,395.58 : x
  2. Step 2: Convert to fraction form
    185,029.40/255,346.75 = 113,395.58/x
  3. Step 3: Cross multiply
    185,029.40x = 255,346.75 × 113,395.58
  4. Step 4: Simplify right side
    185,029.40x = 28,955,191,257.14
  5. Step 5: Solve for x
    x = 28,955,191,257.14/185,029.40
  6. Step 6: Final answer
    x = 156,489.68

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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.