Home / 123,019.16-184,520.10-70,263.32

Finding the Fourth Proportional to 123,019.16, 184,520.10 and 70,263.32

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Solution

The fourth proportional to 123,019.16, 184,520.10 and 70,263.32 is: 105,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,019.16 : 184,520.10 = 70,263.32 : x
  2. Step 2: Convert to fraction form
    123,019.16/184,520.10 = 70,263.32/x
  3. Step 3: Cross multiply
    123,019.16x = 184,520.10 × 70,263.32
  4. Step 4: Simplify right side
    123,019.16x = 12,964,994,832.73
  5. Step 5: Solve for x
    x = 12,964,994,832.73/123,019.16
  6. Step 6: Final answer
    x = 105,390.05

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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.