Home / 152,626.48-210,617.21-84,638.12

Finding the Fourth Proportional to 152,626.48, 210,617.21 and 84,638.12

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Solution

The fourth proportional to 152,626.48, 210,617.21 and 84,638.12 is: 116,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,626.48 : 210,617.21 = 84,638.12 : x
  2. Step 2: Convert to fraction form
    152,626.48/210,617.21 = 84,638.12/x
  3. Step 3: Cross multiply
    152,626.48x = 210,617.21 × 84,638.12
  4. Step 4: Simplify right side
    152,626.48x = 17,826,243,852.55
  5. Step 5: Solve for x
    x = 17,826,243,852.55/152,626.48
  6. Step 6: Final answer
    x = 116,796.54

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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.