Home / 183,297.60-252,953.28-111,680.64

Finding the Fourth Proportional to 183,297.60, 252,953.28 and 111,680.64

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Solution

The fourth proportional to 183,297.60, 252,953.28 and 111,680.64 is: 154,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,297.60 : 252,953.28 = 111,680.64 : x
  2. Step 2: Convert to fraction form
    183,297.60/252,953.28 = 111,680.64/x
  3. Step 3: Cross multiply
    183,297.60x = 252,953.28 × 111,680.64
  4. Step 4: Simplify right side
    183,297.60x = 28,249,984,200.50
  5. Step 5: Solve for x
    x = 28,249,984,200.50/183,297.60
  6. Step 6: Final answer
    x = 154,120.86

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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.