Home / 210,582.69-290,604.14-115,089.36

Finding the Fourth Proportional to 210,582.69, 290,604.14 and 115,089.36

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Solution

The fourth proportional to 210,582.69, 290,604.14 and 115,089.36 is: 158,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,582.69 : 290,604.14 = 115,089.36 : x
  2. Step 2: Convert to fraction form
    210,582.69/290,604.14 = 115,089.36/x
  3. Step 3: Cross multiply
    210,582.69x = 290,604.14 × 115,089.36
  4. Step 4: Simplify right side
    210,582.69x = 33,445,444,485.95
  5. Step 5: Solve for x
    x = 33,445,444,485.95/210,582.69
  6. Step 6: Final answer
    x = 158,823.33

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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.