Home / 117,634.12-176,451.18-42,740.32

Finding the Fourth Proportional to 117,634.12, 176,451.18 and 42,740.32

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Solution

The fourth proportional to 117,634.12, 176,451.18 and 42,740.32 is: 64,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,634.12 : 176,451.18 = 42,740.32 : x
  2. Step 2: Convert to fraction form
    117,634.12/176,451.18 = 42,740.32/x
  3. Step 3: Cross multiply
    117,634.12x = 176,451.18 × 42,740.32
  4. Step 4: Simplify right side
    117,634.12x = 7,541,579,897.58
  5. Step 5: Solve for x
    x = 7,541,579,897.58/117,634.12
  6. Step 6: Final answer
    x = 64,110.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.