Home / 180,157.12-248,612.44-99,582.57

Finding the Fourth Proportional to 180,157.12, 248,612.44 and 99,582.57

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Solution

The fourth proportional to 180,157.12, 248,612.44 and 99,582.57 is: 137,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,157.12 : 248,612.44 = 99,582.57 : x
  2. Step 2: Convert to fraction form
    180,157.12/248,612.44 = 99,582.57/x
  3. Step 3: Cross multiply
    180,157.12x = 248,612.44 × 99,582.57
  4. Step 4: Simplify right side
    180,157.12x = 24,757,465,709.17
  5. Step 5: Solve for x
    x = 24,757,465,709.17/180,157.12
  6. Step 6: Final answer
    x = 137,421.52

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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.