Home / 210,954.23-291,114.62-114,155.97

Finding the Fourth Proportional to 210,954.23, 291,114.62 and 114,155.97

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Solution

The fourth proportional to 210,954.23, 291,114.62 and 114,155.97 is: 157,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,954.23 : 291,114.62 = 114,155.97 : x
  2. Step 2: Convert to fraction form
    210,954.23/291,114.62 = 114,155.97/x
  3. Step 3: Cross multiply
    210,954.23x = 291,114.62 × 114,155.97
  4. Step 4: Simplify right side
    210,954.23x = 33,232,470,371.71
  5. Step 5: Solve for x
    x = 33,232,470,371.71/210,954.23
  6. Step 6: Final answer
    x = 157,534.03

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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.