Home / 208,739.14-288,074.49-118,095.46

Finding the Fourth Proportional to 208,739.14, 288,074.49 and 118,095.46

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Solution

The fourth proportional to 208,739.14, 288,074.49 and 118,095.46 is: 162,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.14 : 288,074.49 = 118,095.46 : x
  2. Step 2: Convert to fraction form
    208,739.14/288,074.49 = 118,095.46/x
  3. Step 3: Cross multiply
    208,739.14x = 288,074.49 × 118,095.46
  4. Step 4: Simplify right side
    208,739.14x = 34,020,289,410.82
  5. Step 5: Solve for x
    x = 34,020,289,410.82/208,739.14
  6. Step 6: Final answer
    x = 162,979.93

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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.