Home / 263,707.47-363,918.07-142,848.77

Finding the Fourth Proportional to 263,707.47, 363,918.07 and 142,848.77

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Solution

The fourth proportional to 263,707.47, 363,918.07 and 142,848.77 is: 197,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,707.47 : 363,918.07 = 142,848.77 : x
  2. Step 2: Convert to fraction form
    263,707.47/363,918.07 = 142,848.77/x
  3. Step 3: Cross multiply
    263,707.47x = 363,918.07 × 142,848.77
  4. Step 4: Simplify right side
    263,707.47x = 51,985,246,235.72
  5. Step 5: Solve for x
    x = 51,985,246,235.72/263,707.47
  6. Step 6: Final answer
    x = 197,132.25

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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.