Home / 154,705.11-231,878.08-58,581.21

Finding the Fourth Proportional to 154,705.11, 231,878.08 and 58,581.21

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Solution

The fourth proportional to 154,705.11, 231,878.08 and 58,581.21 is: 87,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,705.11 : 231,878.08 = 58,581.21 : x
  2. Step 2: Convert to fraction form
    154,705.11/231,878.08 = 58,581.21/x
  3. Step 3: Cross multiply
    154,705.11x = 231,878.08 × 58,581.21
  4. Step 4: Simplify right side
    154,705.11x = 13,583,697,565.83
  5. Step 5: Solve for x
    x = 13,583,697,565.83/154,705.11
  6. Step 6: Final answer
    x = 87,803.80

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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.