Home / 123,017.80-184,517.10-48,123.40

Finding the Fourth Proportional to 123,017.80, 184,517.10 and 48,123.40

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Solution

The fourth proportional to 123,017.80, 184,517.10 and 48,123.40 is: 72,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,017.80 : 184,517.10 = 48,123.40 : x
  2. Step 2: Convert to fraction form
    123,017.80/184,517.10 = 48,123.40/x
  3. Step 3: Cross multiply
    123,017.80x = 184,517.10 × 48,123.40
  4. Step 4: Simplify right side
    123,017.80x = 8,879,590,210.14
  5. Step 5: Solve for x
    x = 8,879,590,210.14/123,017.80
  6. Step 6: Final answer
    x = 72,181.34

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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.