Home / 130,794.84-196,004.76-74,518.50

Finding the Fourth Proportional to 130,794.84, 196,004.76 and 74,518.50

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Solution

The fourth proportional to 130,794.84, 196,004.76 and 74,518.50 is: 111,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,794.84 : 196,004.76 = 74,518.50 : x
  2. Step 2: Convert to fraction form
    130,794.84/196,004.76 = 74,518.50/x
  3. Step 3: Cross multiply
    130,794.84x = 196,004.76 × 74,518.50
  4. Step 4: Simplify right side
    130,794.84x = 14,605,980,708.06
  5. Step 5: Solve for x
    x = 14,605,980,708.06/130,794.84
  6. Step 6: Final answer
    x = 111,670.92

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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.