Home / 456,921.18-685,534.86-157,608.36

Finding the Fourth Proportional to 456,921.18, 685,534.86 and 157,608.36

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Solution

The fourth proportional to 456,921.18, 685,534.86 and 157,608.36 is: 236,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,921.18 : 685,534.86 = 157,608.36 : x
  2. Step 2: Convert to fraction form
    456,921.18/685,534.86 = 157,608.36/x
  3. Step 3: Cross multiply
    456,921.18x = 685,534.86 × 157,608.36
  4. Step 4: Simplify right side
    456,921.18x = 108,046,025,007.43
  5. Step 5: Solve for x
    x = 108,046,025,007.43/456,921.18
  6. Step 6: Final answer
    x = 236,465.35

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1.5x scale

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.