Home / 235,542.14-325,032.16-128,109.87

Finding the Fourth Proportional to 235,542.14, 325,032.16 and 128,109.87

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Solution

The fourth proportional to 235,542.14, 325,032.16 and 128,109.87 is: 176,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,542.14 : 325,032.16 = 128,109.87 : x
  2. Step 2: Convert to fraction form
    235,542.14/325,032.16 = 128,109.87/x
  3. Step 3: Cross multiply
    235,542.14x = 325,032.16 × 128,109.87
  4. Step 4: Simplify right side
    235,542.14x = 41,639,827,683.35
  5. Step 5: Solve for x
    x = 41,639,827,683.35/235,542.14
  6. Step 6: Final answer
    x = 176,782.92

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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.