Home / 211,529.34-291,908.61-116,036.01

Finding the Fourth Proportional to 211,529.34, 291,908.61 and 116,036.01

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Solution

The fourth proportional to 211,529.34, 291,908.61 and 116,036.01 is: 160,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,529.34 : 291,908.61 = 116,036.01 : x
  2. Step 2: Convert to fraction form
    211,529.34/291,908.61 = 116,036.01/x
  3. Step 3: Cross multiply
    211,529.34x = 291,908.61 × 116,036.01
  4. Step 4: Simplify right side
    211,529.34x = 33,871,910,389.05
  5. Step 5: Solve for x
    x = 33,871,910,389.05/211,529.34
  6. Step 6: Final answer
    x = 160,128.66

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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.