Home / 115,851.59-159,792.63-106,322.25

Finding the Fourth Proportional to 115,851.59, 159,792.63 and 106,322.25

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Solution

The fourth proportional to 115,851.59, 159,792.63 and 106,322.25 is: 146,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,851.59 : 159,792.63 = 106,322.25 : x
  2. Step 2: Convert to fraction form
    115,851.59/159,792.63 = 106,322.25/x
  3. Step 3: Cross multiply
    115,851.59x = 159,792.63 × 106,322.25
  4. Step 4: Simplify right side
    115,851.59x = 16,989,511,955.02
  5. Step 5: Solve for x
    x = 16,989,511,955.02/115,851.59
  6. Step 6: Final answer
    x = 146,648.94

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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.