Home / 211,803.44-317,705.15-99,561.13

Finding the Fourth Proportional to 211,803.44, 317,705.15 and 99,561.13

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Solution

The fourth proportional to 211,803.44, 317,705.15 and 99,561.13 is: 149,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,803.44 : 317,705.15 = 99,561.13 : x
  2. Step 2: Convert to fraction form
    211,803.44/317,705.15 = 99,561.13/x
  3. Step 3: Cross multiply
    211,803.44x = 317,705.15 × 99,561.13
  4. Step 4: Simplify right side
    211,803.44x = 31,631,082,448.75
  5. Step 5: Solve for x
    x = 31,631,082,448.75/211,803.44
  6. Step 6: Final answer
    x = 149,341.69

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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.