Home / 147,710.83-221,566.25-117,989.50

Finding the Fourth Proportional to 147,710.83, 221,566.25 and 117,989.50

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Solution

The fourth proportional to 147,710.83, 221,566.25 and 117,989.50 is: 176,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,710.83 : 221,566.25 = 117,989.50 : x
  2. Step 2: Convert to fraction form
    147,710.83/221,566.25 = 117,989.50/x
  3. Step 3: Cross multiply
    147,710.83x = 221,566.25 × 117,989.50
  4. Step 4: Simplify right side
    147,710.83x = 26,142,491,054.38
  5. Step 5: Solve for x
    x = 26,142,491,054.38/147,710.83
  6. Step 6: Final answer
    x = 176,984.25

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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.