Home / 190,458.14-262,814.56-105,567.98

Finding the Fourth Proportional to 190,458.14, 262,814.56 and 105,567.98

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Solution

The fourth proportional to 190,458.14, 262,814.56 and 105,567.98 is: 145,674.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,458.14 : 262,814.56 = 105,567.98 : x
  2. Step 2: Convert to fraction form
    190,458.14/262,814.56 = 105,567.98/x
  3. Step 3: Cross multiply
    190,458.14x = 262,814.56 × 105,567.98
  4. Step 4: Simplify right side
    190,458.14x = 27,744,800,635.80
  5. Step 5: Solve for x
    x = 27,744,800,635.80/190,458.14
  6. Step 6: Final answer
    x = 145,674.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.