Home / 235,542.40-325,032.51-128,110.12

Finding the Fourth Proportional to 235,542.40, 325,032.51 and 128,110.12

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Solution

The fourth proportional to 235,542.40, 325,032.51 and 128,110.12 is: 176,783.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,542.40 : 325,032.51 = 128,110.12 : x
  2. Step 2: Convert to fraction form
    235,542.40/325,032.51 = 128,110.12/x
  3. Step 3: Cross multiply
    235,542.40x = 325,032.51 × 128,110.12
  4. Step 4: Simplify right side
    235,542.40x = 41,639,953,219.45
  5. Step 5: Solve for x
    x = 41,639,953,219.45/235,542.40
  6. Step 6: Final answer
    x = 176,783.26

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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.