Home / 144,627.16-199,445.28-112,784.44

Finding the Fourth Proportional to 144,627.16, 199,445.28 and 112,784.44

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Solution

The fourth proportional to 144,627.16, 199,445.28 and 112,784.44 is: 155,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,627.16 : 199,445.28 = 112,784.44 : x
  2. Step 2: Convert to fraction form
    144,627.16/199,445.28 = 112,784.44/x
  3. Step 3: Cross multiply
    144,627.16x = 199,445.28 × 112,784.44
  4. Step 4: Simplify right side
    144,627.16x = 22,494,324,215.44
  5. Step 5: Solve for x
    x = 22,494,324,215.44/144,627.16
  6. Step 6: Final answer
    x = 155,533.19

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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.