Home / 188,913.07-283,424.73-70,557.19

Finding the Fourth Proportional to 188,913.07, 283,424.73 and 70,557.19

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Solution

The fourth proportional to 188,913.07, 283,424.73 and 70,557.19 is: 105,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,913.07 : 283,424.73 = 70,557.19 : x
  2. Step 2: Convert to fraction form
    188,913.07/283,424.73 = 70,557.19/x
  3. Step 3: Cross multiply
    188,913.07x = 283,424.73 × 70,557.19
  4. Step 4: Simplify right side
    188,913.07x = 19,997,652,525.31
  5. Step 5: Solve for x
    x = 19,997,652,525.31/188,913.07
  6. Step 6: Final answer
    x = 105,856.37

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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.