Home / 105,898.35-146,140.74-58,152.70

Finding the Fourth Proportional to 105,898.35, 146,140.74 and 58,152.70

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Solution

The fourth proportional to 105,898.35, 146,140.74 and 58,152.70 is: 80,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,898.35 : 146,140.74 = 58,152.70 : x
  2. Step 2: Convert to fraction form
    105,898.35/146,140.74 = 58,152.70/x
  3. Step 3: Cross multiply
    105,898.35x = 146,140.74 × 58,152.70
  4. Step 4: Simplify right side
    105,898.35x = 8,498,478,054.48
  5. Step 5: Solve for x
    x = 8,498,478,054.48/105,898.35
  6. Step 6: Final answer
    x = 80,251.28

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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.