Home / 122,154.32-183,114.84-38,994.32

Finding the Fourth Proportional to 122,154.32, 183,114.84 and 38,994.32

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Solution

The fourth proportional to 122,154.32, 183,114.84 and 38,994.32 is: 58,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,154.32 : 183,114.84 = 38,994.32 : x
  2. Step 2: Convert to fraction form
    122,154.32/183,114.84 = 38,994.32/x
  3. Step 3: Cross multiply
    122,154.32x = 183,114.84 × 38,994.32
  4. Step 4: Simplify right side
    122,154.32x = 7,140,438,667.71
  5. Step 5: Solve for x
    x = 7,140,438,667.71/122,154.32
  6. Step 6: Final answer
    x = 58,454.25

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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.