Home / 263,588.60-363,729.12-156,140.48

Finding the Fourth Proportional to 263,588.60, 363,729.12 and 156,140.48

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Solution

The fourth proportional to 263,588.60, 363,729.12 and 156,140.48 is: 215,460.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,588.60 : 363,729.12 = 156,140.48 : x
  2. Step 2: Convert to fraction form
    263,588.60/363,729.12 = 156,140.48/x
  3. Step 3: Cross multiply
    263,588.60x = 363,729.12 × 156,140.48
  4. Step 4: Simplify right side
    263,588.60x = 56,792,839,386.78
  5. Step 5: Solve for x
    x = 56,792,839,386.78/263,588.60
  6. Step 6: Final answer
    x = 215,460.15

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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.