Home / 146,875.50-202,688.73-79,807.50

Finding the Fourth Proportional to 146,875.50, 202,688.73 and 79,807.50

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Solution

The fourth proportional to 146,875.50, 202,688.73 and 79,807.50 is: 110,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,875.50 : 202,688.73 = 79,807.50 : x
  2. Step 2: Convert to fraction form
    146,875.50/202,688.73 = 79,807.50/x
  3. Step 3: Cross multiply
    146,875.50x = 202,688.73 × 79,807.50
  4. Step 4: Simplify right side
    146,875.50x = 16,176,080,819.48
  5. Step 5: Solve for x
    x = 16,176,080,819.48/146,875.50
  6. Step 6: Final answer
    x = 110,134.64

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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.