Home / 123,018.16-184,518.60-70,262.32

Finding the Fourth Proportional to 123,018.16, 184,518.60 and 70,262.32

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Solution

The fourth proportional to 123,018.16, 184,518.60 and 70,262.32 is: 105,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,018.16 : 184,518.60 = 70,262.32 : x
  2. Step 2: Convert to fraction form
    123,018.16/184,518.60 = 70,262.32/x
  3. Step 3: Cross multiply
    123,018.16x = 184,518.60 × 70,262.32
  4. Step 4: Simplify right side
    123,018.16x = 12,964,704,919.15
  5. Step 5: Solve for x
    x = 12,964,704,919.15/123,018.16
  6. Step 6: Final answer
    x = 105,388.55

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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.