Home / 132,500.45-182,853.63-72,074.32

Finding the Fourth Proportional to 132,500.45, 182,853.63 and 72,074.32

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Solution

The fourth proportional to 132,500.45, 182,853.63 and 72,074.32 is: 99,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,500.45 : 182,853.63 = 72,074.32 : x
  2. Step 2: Convert to fraction form
    132,500.45/182,853.63 = 72,074.32/x
  3. Step 3: Cross multiply
    132,500.45x = 182,853.63 × 72,074.32
  4. Step 4: Simplify right side
    132,500.45x = 13,179,051,041.78
  5. Step 5: Solve for x
    x = 13,179,051,041.78/132,500.45
  6. Step 6: Final answer
    x = 99,464.20

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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.