Home / 235,735.27-325,321.58-128,312.26

Finding the Fourth Proportional to 235,735.27, 325,321.58 and 128,312.26

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Solution

The fourth proportional to 235,735.27, 325,321.58 and 128,312.26 is: 177,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,735.27 : 325,321.58 = 128,312.26 : x
  2. Step 2: Convert to fraction form
    235,735.27/325,321.58 = 128,312.26/x
  3. Step 3: Cross multiply
    235,735.27x = 325,321.58 × 128,312.26
  4. Step 4: Simplify right side
    235,735.27x = 41,742,747,156.57
  5. Step 5: Solve for x
    x = 41,742,747,156.57/235,735.27
  6. Step 6: Final answer
    x = 177,074.68

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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.