Home / 211,643.06-291,984.28-120,950.37

Finding the Fourth Proportional to 211,643.06, 291,984.28 and 120,950.37

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Solution

The fourth proportional to 211,643.06, 291,984.28 and 120,950.37 is: 166,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,643.06 : 291,984.28 = 120,950.37 : x
  2. Step 2: Convert to fraction form
    211,643.06/291,984.28 = 120,950.37/x
  3. Step 3: Cross multiply
    211,643.06x = 291,984.28 × 120,950.37
  4. Step 4: Simplify right side
    211,643.06x = 35,315,606,397.81
  5. Step 5: Solve for x
    x = 35,315,606,397.81/211,643.06
  6. Step 6: Final answer
    x = 166,864.00

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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.