Home / 113,478.26-170,228.67-43,416.50

Finding the Fourth Proportional to 113,478.26, 170,228.67 and 43,416.50

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Solution

The fourth proportional to 113,478.26, 170,228.67 and 43,416.50 is: 65,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,478.26 : 170,228.67 = 43,416.50 : x
  2. Step 2: Convert to fraction form
    113,478.26/170,228.67 = 43,416.50/x
  3. Step 3: Cross multiply
    113,478.26x = 170,228.67 × 43,416.50
  4. Step 4: Simplify right side
    113,478.26x = 7,390,733,051.06
  5. Step 5: Solve for x
    x = 7,390,733,051.06/113,478.26
  6. Step 6: Final answer
    x = 65,129.07

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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.