Home / 210,950.34-291,118.43-115,457.01

Finding the Fourth Proportional to 210,950.34, 291,118.43 and 115,457.01

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Solution

The fourth proportional to 210,950.34, 291,118.43 and 115,457.01 is: 159,334.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,950.34 : 291,118.43 = 115,457.01 : x
  2. Step 2: Convert to fraction form
    210,950.34/291,118.43 = 115,457.01/x
  3. Step 3: Cross multiply
    210,950.34x = 291,118.43 × 115,457.01
  4. Step 4: Simplify right side
    210,950.34x = 33,611,665,008.35
  5. Step 5: Solve for x
    x = 33,611,665,008.35/210,950.34
  6. Step 6: Final answer
    x = 159,334.49

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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.