Home / 115,928.10-173,892.15-112,647.60

Finding the Fourth Proportional to 115,928.10, 173,892.15 and 112,647.60

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Solution

The fourth proportional to 115,928.10, 173,892.15 and 112,647.60 is: 168,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.10 : 173,892.15 = 112,647.60 : x
  2. Step 2: Convert to fraction form
    115,928.10/173,892.15 = 112,647.60/x
  3. Step 3: Cross multiply
    115,928.10x = 173,892.15 × 112,647.60
  4. Step 4: Simplify right side
    115,928.10x = 19,588,533,356.34
  5. Step 5: Solve for x
    x = 19,588,533,356.34/115,928.10
  6. Step 6: Final answer
    x = 168,971.40

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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.