Home / 130,730.76-196,017.08-58,670.60

Finding the Fourth Proportional to 130,730.76, 196,017.08 and 58,670.60

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Solution

The fourth proportional to 130,730.76, 196,017.08 and 58,670.60 is: 87,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,730.76 : 196,017.08 = 58,670.60 : x
  2. Step 2: Convert to fraction form
    130,730.76/196,017.08 = 58,670.60/x
  3. Step 3: Cross multiply
    130,730.76x = 196,017.08 × 58,670.60
  4. Step 4: Simplify right side
    130,730.76x = 11,500,439,693.85
  5. Step 5: Solve for x
    x = 11,500,439,693.85/130,730.76
  6. Step 6: Final answer
    x = 87,970.42

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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.