Home / 162,463.03-243,590.73-78,055.26

Finding the Fourth Proportional to 162,463.03, 243,590.73 and 78,055.26

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Solution

The fourth proportional to 162,463.03, 243,590.73 and 78,055.26 is: 117,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,463.03 : 243,590.73 = 78,055.26 : x
  2. Step 2: Convert to fraction form
    162,463.03/243,590.73 = 78,055.26/x
  3. Step 3: Cross multiply
    162,463.03x = 243,590.73 × 78,055.26
  4. Step 4: Simplify right side
    162,463.03x = 19,013,536,557.57
  5. Step 5: Solve for x
    x = 19,013,536,557.57/162,463.03
  6. Step 6: Final answer
    x = 117,033.01

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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.