Home / 199,391.04-275,148.72-113,338.08

Finding the Fourth Proportional to 199,391.04, 275,148.72 and 113,338.08

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Solution

The fourth proportional to 199,391.04, 275,148.72 and 113,338.08 is: 156,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,391.04 : 275,148.72 = 113,338.08 : x
  2. Step 2: Convert to fraction form
    199,391.04/275,148.72 = 113,338.08/x
  3. Step 3: Cross multiply
    199,391.04x = 275,148.72 × 113,338.08
  4. Step 4: Simplify right side
    199,391.04x = 31,184,827,639.26
  5. Step 5: Solve for x
    x = 31,184,827,639.26/199,391.04
  6. Step 6: Final answer
    x = 156,400.35

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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.