Home / 188,279.04-282,332.44-112,412.02

Finding the Fourth Proportional to 188,279.04, 282,332.44 and 112,412.02

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Solution

The fourth proportional to 188,279.04, 282,332.44 and 112,412.02 is: 168,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,279.04 : 282,332.44 = 112,412.02 : x
  2. Step 2: Convert to fraction form
    188,279.04/282,332.44 = 112,412.02/x
  3. Step 3: Cross multiply
    188,279.04x = 282,332.44 × 112,412.02
  4. Step 4: Simplify right side
    188,279.04x = 31,737,559,891.93
  5. Step 5: Solve for x
    x = 31,737,559,891.93/188,279.04
  6. Step 6: Final answer
    x = 168,566.61

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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.