Home / 142,703.10-214,078.93-49,186.98

Finding the Fourth Proportional to 142,703.10, 214,078.93 and 49,186.98

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Solution

The fourth proportional to 142,703.10, 214,078.93 and 49,186.98 is: 73,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,703.10 : 214,078.93 = 49,186.98 : x
  2. Step 2: Convert to fraction form
    142,703.10/214,078.93 = 49,186.98/x
  3. Step 3: Cross multiply
    142,703.10x = 214,078.93 × 49,186.98
  4. Step 4: Simplify right side
    142,703.10x = 10,529,895,925.36
  5. Step 5: Solve for x
    x = 10,529,895,925.36/142,703.10
  6. Step 6: Final answer
    x = 73,788.84

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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.