Home / 255,631.60-383,447.40-161,153.20

Finding the Fourth Proportional to 255,631.60, 383,447.40 and 161,153.20

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Solution

The fourth proportional to 255,631.60, 383,447.40 and 161,153.20 is: 241,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,631.60 : 383,447.40 = 161,153.20 : x
  2. Step 2: Convert to fraction form
    255,631.60/383,447.40 = 161,153.20/x
  3. Step 3: Cross multiply
    255,631.60x = 383,447.40 × 161,153.20
  4. Step 4: Simplify right side
    255,631.60x = 61,793,775,541.68
  5. Step 5: Solve for x
    x = 61,793,775,541.68/255,631.60
  6. Step 6: Final answer
    x = 241,729.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.