Home / 147,384.19-221,123.01-52,612.34

Finding the Fourth Proportional to 147,384.19, 221,123.01 and 52,612.34

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Solution

The fourth proportional to 147,384.19, 221,123.01 and 52,612.34 is: 78,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,384.19 : 221,123.01 = 52,612.34 : x
  2. Step 2: Convert to fraction form
    147,384.19/221,123.01 = 52,612.34/x
  3. Step 3: Cross multiply
    147,384.19x = 221,123.01 × 52,612.34
  4. Step 4: Simplify right side
    147,384.19x = 11,633,798,983.94
  5. Step 5: Solve for x
    x = 11,633,798,983.94/147,384.19
  6. Step 6: Final answer
    x = 78,935.19

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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.