Home / 106,387.35-146,802.94-58,631.50

Finding the Fourth Proportional to 106,387.35, 146,802.94 and 58,631.50

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Solution

The fourth proportional to 106,387.35, 146,802.94 and 58,631.50 is: 80,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,387.35 : 146,802.94 = 58,631.50 : x
  2. Step 2: Convert to fraction form
    106,387.35/146,802.94 = 58,631.50/x
  3. Step 3: Cross multiply
    106,387.35x = 146,802.94 × 58,631.50
  4. Step 4: Simplify right side
    106,387.35x = 8,607,276,576.61
  5. Step 5: Solve for x
    x = 8,607,276,576.61/106,387.35
  6. Step 6: Final answer
    x = 80,905.08

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1.5x scale

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.