Home / 210,967.66-291,136.30-114,171.53

Finding the Fourth Proportional to 210,967.66, 291,136.30 and 114,171.53

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Solution

The fourth proportional to 210,967.66, 291,136.30 and 114,171.53 is: 157,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,967.66 : 291,136.30 = 114,171.53 : x
  2. Step 2: Convert to fraction form
    210,967.66/291,136.30 = 114,171.53/x
  3. Step 3: Cross multiply
    210,967.66x = 291,136.30 × 114,171.53
  4. Step 4: Simplify right side
    210,967.66x = 33,239,477,027.18
  5. Step 5: Solve for x
    x = 33,239,477,027.18/210,967.66
  6. Step 6: Final answer
    x = 157,557.21

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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.