Home / 152,895.64-211,003-84,912.92

Finding the Fourth Proportional to 152,895.64, 211,003 and 84,912.92

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Solution

The fourth proportional to 152,895.64, 211,003 and 84,912.92 is: 117,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,895.64 : 211,003 = 84,912.92 : x
  2. Step 2: Convert to fraction form
    152,895.64/211,003 = 84,912.92/x
  3. Step 3: Cross multiply
    152,895.64x = 211,003 × 84,912.92
  4. Step 4: Simplify right side
    152,895.64x = 17,916,880,858.76
  5. Step 5: Solve for x
    x = 17,916,880,858.76/152,895.64
  6. Step 6: Final answer
    x = 117,183.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.