Home / 199,364.39-275,116.70-113,332.77

Finding the Fourth Proportional to 199,364.39, 275,116.70 and 113,332.77

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Solution

The fourth proportional to 199,364.39, 275,116.70 and 113,332.77 is: 156,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,364.39 : 275,116.70 = 113,332.77 : x
  2. Step 2: Convert to fraction form
    199,364.39/275,116.70 = 113,332.77/x
  3. Step 3: Cross multiply
    199,364.39x = 275,116.70 × 113,332.77
  4. Step 4: Simplify right side
    199,364.39x = 31,179,737,967.59
  5. Step 5: Solve for x
    x = 31,179,737,967.59/199,364.39
  6. Step 6: Final answer
    x = 156,395.72

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1.5x scale

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.