Home / 142,699.48-214,051.62-53,994.76

Finding the Fourth Proportional to 142,699.48, 214,051.62 and 53,994.76

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Solution

The fourth proportional to 142,699.48, 214,051.62 and 53,994.76 is: 80,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,699.48 : 214,051.62 = 53,994.76 : x
  2. Step 2: Convert to fraction form
    142,699.48/214,051.62 = 53,994.76/x
  3. Step 3: Cross multiply
    142,699.48x = 214,051.62 × 53,994.76
  4. Step 4: Simplify right side
    142,699.48x = 11,557,665,849.51
  5. Step 5: Solve for x
    x = 11,557,665,849.51/142,699.48
  6. Step 6: Final answer
    x = 80,993.05

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1.5x scale

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.