Home / 134,448.32-185,339.76-86,044.88

Finding the Fourth Proportional to 134,448.32, 185,339.76 and 86,044.88

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Solution

The fourth proportional to 134,448.32, 185,339.76 and 86,044.88 is: 118,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.32 : 185,339.76 = 86,044.88 : x
  2. Step 2: Convert to fraction form
    134,448.32/185,339.76 = 86,044.88/x
  3. Step 3: Cross multiply
    134,448.32x = 185,339.76 × 86,044.88
  4. Step 4: Simplify right side
    134,448.32x = 15,947,537,408.43
  5. Step 5: Solve for x
    x = 15,947,537,408.43/134,448.32
  6. Step 6: Final answer
    x = 118,614.63

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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.