Home / 132,415.32-182,730.96-71,987.46

Finding the Fourth Proportional to 132,415.32, 182,730.96 and 71,987.46

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Solution

The fourth proportional to 132,415.32, 182,730.96 and 71,987.46 is: 99,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.32 : 182,730.96 = 71,987.46 : x
  2. Step 2: Convert to fraction form
    132,415.32/182,730.96 = 71,987.46/x
  3. Step 3: Cross multiply
    132,415.32x = 182,730.96 × 71,987.46
  4. Step 4: Simplify right side
    132,415.32x = 13,154,337,673.76
  5. Step 5: Solve for x
    x = 13,154,337,673.76/132,415.32
  6. Step 6: Final answer
    x = 99,341.51

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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.