Home / 190,629.39-285,946.14-57,510.81

Finding the Fourth Proportional to 190,629.39, 285,946.14 and 57,510.81

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Solution

The fourth proportional to 190,629.39, 285,946.14 and 57,510.81 is: 86,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,629.39 : 285,946.14 = 57,510.81 : x
  2. Step 2: Convert to fraction form
    190,629.39/285,946.14 = 57,510.81/x
  3. Step 3: Cross multiply
    190,629.39x = 285,946.14 × 57,510.81
  4. Step 4: Simplify right side
    190,629.39x = 16,444,994,127.77
  5. Step 5: Solve for x
    x = 16,444,994,127.77/190,629.39
  6. Step 6: Final answer
    x = 86,266.83

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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.