Home / 113,968.40-157,186.72-106,329.04

Finding the Fourth Proportional to 113,968.40, 157,186.72 and 106,329.04

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Solution

The fourth proportional to 113,968.40, 157,186.72 and 106,329.04 is: 146,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,968.40 : 157,186.72 = 106,329.04 : x
  2. Step 2: Convert to fraction form
    113,968.40/157,186.72 = 106,329.04/x
  3. Step 3: Cross multiply
    113,968.40x = 157,186.72 × 106,329.04
  4. Step 4: Simplify right side
    113,968.40x = 16,713,513,038.35
  5. Step 5: Solve for x
    x = 16,713,513,038.35/113,968.40
  6. Step 6: Final answer
    x = 146,650.41

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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.