Home / 134,443.32-185,511.22-77,843.76

Finding the Fourth Proportional to 134,443.32, 185,511.22 and 77,843.76

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Solution

The fourth proportional to 134,443.32, 185,511.22 and 77,843.76 is: 107,412.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,443.32 : 185,511.22 = 77,843.76 : x
  2. Step 2: Convert to fraction form
    134,443.32/185,511.22 = 77,843.76/x
  3. Step 3: Cross multiply
    134,443.32x = 185,511.22 × 77,843.76
  4. Step 4: Simplify right side
    134,443.32x = 14,440,890,886.99
  5. Step 5: Solve for x
    x = 14,440,890,886.99/134,443.32
  6. Step 6: Final answer
    x = 107,412.48

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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.