Home / 370,109.76-555,081.56-170,238.16

Finding the Fourth Proportional to 370,109.76, 555,081.56 and 170,238.16

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Solution

The fourth proportional to 370,109.76, 555,081.56 and 170,238.16 is: 255,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,109.76 : 555,081.56 = 170,238.16 : x
  2. Step 2: Convert to fraction form
    370,109.76/555,081.56 = 170,238.16/x
  3. Step 3: Cross multiply
    370,109.76x = 555,081.56 × 170,238.16
  4. Step 4: Simplify right side
    370,109.76x = 94,496,063,424.33
  5. Step 5: Solve for x
    x = 94,496,063,424.33/370,109.76
  6. Step 6: Final answer
    x = 255,319.03

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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.