Home / 132,341.66-182,610.96-78,625.32

Finding the Fourth Proportional to 132,341.66, 182,610.96 and 78,625.32

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Solution

The fourth proportional to 132,341.66, 182,610.96 and 78,625.32 is: 108,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.66 : 182,610.96 = 78,625.32 : x
  2. Step 2: Convert to fraction form
    132,341.66/182,610.96 = 78,625.32/x
  3. Step 3: Cross multiply
    132,341.66x = 182,610.96 × 78,625.32
  4. Step 4: Simplify right side
    132,341.66x = 14,357,845,165.51
  5. Step 5: Solve for x
    x = 14,357,845,165.51/132,341.66
  6. Step 6: Final answer
    x = 108,490.74

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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.