Home / 106,940.16-160,355.46-57,047.40

Finding the Fourth Proportional to 106,940.16, 160,355.46 and 57,047.40

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Solution

The fourth proportional to 106,940.16, 160,355.46 and 57,047.40 is: 85,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.16 : 160,355.46 = 57,047.40 : x
  2. Step 2: Convert to fraction form
    106,940.16/160,355.46 = 57,047.40/x
  3. Step 3: Cross multiply
    106,940.16x = 160,355.46 × 57,047.40
  4. Step 4: Simplify right side
    106,940.16x = 9,147,862,068.80
  5. Step 5: Solve for x
    x = 9,147,862,068.80/106,940.16
  6. Step 6: Final answer
    x = 85,541.88

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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.