Home / 154,657.90-231,873.32-49,416.22

Finding the Fourth Proportional to 154,657.90, 231,873.32 and 49,416.22

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Solution

The fourth proportional to 154,657.90, 231,873.32 and 49,416.22 is: 74,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,657.90 : 231,873.32 = 49,416.22 : x
  2. Step 2: Convert to fraction form
    154,657.90/231,873.32 = 49,416.22/x
  3. Step 3: Cross multiply
    154,657.90x = 231,873.32 × 49,416.22
  4. Step 4: Simplify right side
    154,657.90x = 11,458,302,993.25
  5. Step 5: Solve for x
    x = 11,458,302,993.25/154,657.90
  6. Step 6: Final answer
    x = 74,088.05

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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.