Home / 177,825.08-245,004.78-117,288.92

Finding the Fourth Proportional to 177,825.08, 245,004.78 and 117,288.92

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Solution

The fourth proportional to 177,825.08, 245,004.78 and 117,288.92 is: 161,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,825.08 : 245,004.78 = 117,288.92 : x
  2. Step 2: Convert to fraction form
    177,825.08/245,004.78 = 117,288.92/x
  3. Step 3: Cross multiply
    177,825.08x = 245,004.78 × 117,288.92
  4. Step 4: Simplify right side
    177,825.08x = 28,736,346,041.04
  5. Step 5: Solve for x
    x = 28,736,346,041.04/177,825.08
  6. Step 6: Final answer
    x = 161,598.95

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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.