Home / 124,897.20-187,345.80-122,823.60

Finding the Fourth Proportional to 124,897.20, 187,345.80 and 122,823.60

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Solution

The fourth proportional to 124,897.20, 187,345.80 and 122,823.60 is: 184,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,897.20 : 187,345.80 = 122,823.60 : x
  2. Step 2: Convert to fraction form
    124,897.20/187,345.80 = 122,823.60/x
  3. Step 3: Cross multiply
    124,897.20x = 187,345.80 × 122,823.60
  4. Step 4: Simplify right side
    124,897.20x = 23,010,485,600.88
  5. Step 5: Solve for x
    x = 23,010,485,600.88/124,897.20
  6. Step 6: Final answer
    x = 184,235.40

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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.