Home / 147,818.04-203,988.81-79,835.01

Finding the Fourth Proportional to 147,818.04, 203,988.81 and 79,835.01

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Solution

The fourth proportional to 147,818.04, 203,988.81 and 79,835.01 is: 110,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.04 : 203,988.81 = 79,835.01 : x
  2. Step 2: Convert to fraction form
    147,818.04/203,988.81 = 79,835.01/x
  3. Step 3: Cross multiply
    147,818.04x = 203,988.81 × 79,835.01
  4. Step 4: Simplify right side
    147,818.04x = 16,285,448,686.24
  5. Step 5: Solve for x
    x = 16,285,448,686.24/147,818.04
  6. Step 6: Final answer
    x = 110,172.27

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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.