Home / 132,070.05-182,054.44-80,988.05

Finding the Fourth Proportional to 132,070.05, 182,054.44 and 80,988.05

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Solution

The fourth proportional to 132,070.05, 182,054.44 and 80,988.05 is: 111,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.05 : 182,054.44 = 80,988.05 : x
  2. Step 2: Convert to fraction form
    132,070.05/182,054.44 = 80,988.05/x
  3. Step 3: Cross multiply
    132,070.05x = 182,054.44 × 80,988.05
  4. Step 4: Simplify right side
    132,070.05x = 14,744,233,684.50
  5. Step 5: Solve for x
    x = 14,744,233,684.50/132,070.05
  6. Step 6: Final answer
    x = 111,639.50

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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.