Home / 170,416.40-235,163.91-93,931.28

Finding the Fourth Proportional to 170,416.40, 235,163.91 and 93,931.28

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Solution

The fourth proportional to 170,416.40, 235,163.91 and 93,931.28 is: 129,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,416.40 : 235,163.91 = 93,931.28 : x
  2. Step 2: Convert to fraction form
    170,416.40/235,163.91 = 93,931.28/x
  3. Step 3: Cross multiply
    170,416.40x = 235,163.91 × 93,931.28
  4. Step 4: Simplify right side
    170,416.40x = 22,089,247,134.39
  5. Step 5: Solve for x
    x = 22,089,247,134.39/170,416.40
  6. Step 6: Final answer
    x = 129,619.26

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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.