Home / 372,055.17-558,128.62-105,836.42

Finding the Fourth Proportional to 372,055.17, 558,128.62 and 105,836.42

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Solution

The fourth proportional to 372,055.17, 558,128.62 and 105,836.42 is: 158,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,055.17 : 558,128.62 = 105,836.42 : x
  2. Step 2: Convert to fraction form
    372,055.17/558,128.62 = 105,836.42/x
  3. Step 3: Cross multiply
    372,055.17x = 558,128.62 × 105,836.42
  4. Step 4: Simplify right side
    372,055.17x = 59,070,332,249.70
  5. Step 5: Solve for x
    x = 59,070,332,249.70/372,055.17
  6. Step 6: Final answer
    x = 158,767.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.