Home / 211,019.07-291,204.52-114,222.45

Finding the Fourth Proportional to 211,019.07, 291,204.52 and 114,222.45

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Solution

The fourth proportional to 211,019.07, 291,204.52 and 114,222.45 is: 157,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,019.07 : 291,204.52 = 114,222.45 : x
  2. Step 2: Convert to fraction form
    211,019.07/291,204.52 = 114,222.45/x
  3. Step 3: Cross multiply
    211,019.07x = 291,204.52 × 114,222.45
  4. Step 4: Simplify right side
    211,019.07x = 33,262,094,531.93
  5. Step 5: Solve for x
    x = 33,262,094,531.93/211,019.07
  6. Step 6: Final answer
    x = 157,626.01

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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.