Home / 133,212.72-199,859.04-56,312.16

Finding the Fourth Proportional to 133,212.72, 199,859.04 and 56,312.16

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Solution

The fourth proportional to 133,212.72, 199,859.04 and 56,312.16 is: 84,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,212.72 : 199,859.04 = 56,312.16 : x
  2. Step 2: Convert to fraction form
    133,212.72/199,859.04 = 56,312.16/x
  3. Step 3: Cross multiply
    133,212.72x = 199,859.04 × 56,312.16
  4. Step 4: Simplify right side
    133,212.72x = 11,254,494,237.93
  5. Step 5: Solve for x
    x = 11,254,494,237.93/133,212.72
  6. Step 6: Final answer
    x = 84,485.13

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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.