Home / 235,434.57-324,900.50-128,004.27

Finding the Fourth Proportional to 235,434.57, 324,900.50 and 128,004.27

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Solution

The fourth proportional to 235,434.57, 324,900.50 and 128,004.27 is: 176,646.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,434.57 : 324,900.50 = 128,004.27 : x
  2. Step 2: Convert to fraction form
    235,434.57/324,900.50 = 128,004.27/x
  3. Step 3: Cross multiply
    235,434.57x = 324,900.50 × 128,004.27
  4. Step 4: Simplify right side
    235,434.57x = 41,588,650,685.11
  5. Step 5: Solve for x
    x = 41,588,650,685.11/235,434.57
  6. Step 6: Final answer
    x = 176,646.32

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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.