Home / 210,329.92-290,262-114,841.60

Finding the Fourth Proportional to 210,329.92, 290,262 and 114,841.60

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Solution

The fourth proportional to 210,329.92, 290,262 and 114,841.60 is: 158,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,329.92 : 290,262 = 114,841.60 : x
  2. Step 2: Convert to fraction form
    210,329.92/290,262 = 114,841.60/x
  3. Step 3: Cross multiply
    210,329.92x = 290,262 × 114,841.60
  4. Step 4: Simplify right side
    210,329.92x = 33,334,152,499.20
  5. Step 5: Solve for x
    x = 33,334,152,499.20/210,329.92
  6. Step 6: Final answer
    x = 158,485.07

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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.