Home / 154,945.49-232,516.55-66,199.67

Finding the Fourth Proportional to 154,945.49, 232,516.55 and 66,199.67

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Solution

The fourth proportional to 154,945.49, 232,516.55 and 66,199.67 is: 99,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,945.49 : 232,516.55 = 66,199.67 : x
  2. Step 2: Convert to fraction form
    154,945.49/232,516.55 = 66,199.67/x
  3. Step 3: Cross multiply
    154,945.49x = 232,516.55 × 66,199.67
  4. Step 4: Simplify right side
    154,945.49x = 15,392,518,879.54
  5. Step 5: Solve for x
    x = 15,392,518,879.54/154,945.49
  6. Step 6: Final answer
    x = 99,341.51

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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.