Home / 130,915.14-196,388.09-46,687.28

Finding the Fourth Proportional to 130,915.14, 196,388.09 and 46,687.28

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Solution

The fourth proportional to 130,915.14, 196,388.09 and 46,687.28 is: 70,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,915.14 : 196,388.09 = 46,687.28 : x
  2. Step 2: Convert to fraction form
    130,915.14/196,388.09 = 46,687.28/x
  3. Step 3: Cross multiply
    130,915.14x = 196,388.09 × 46,687.28
  4. Step 4: Simplify right side
    130,915.14x = 9,168,824,531.12
  5. Step 5: Solve for x
    x = 9,168,824,531.12/130,915.14
  6. Step 6: Final answer
    x = 70,036.40

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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.