Home / 190,282.61-262,598.66-105,399.66

Finding the Fourth Proportional to 190,282.61, 262,598.66 and 105,399.66

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Solution

The fourth proportional to 190,282.61, 262,598.66 and 105,399.66 is: 145,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,282.61 : 262,598.66 = 105,399.66 : x
  2. Step 2: Convert to fraction form
    190,282.61/262,598.66 = 105,399.66/x
  3. Step 3: Cross multiply
    190,282.61x = 262,598.66 × 105,399.66
  4. Step 4: Simplify right side
    190,282.61x = 27,677,808,953.46
  5. Step 5: Solve for x
    x = 27,677,808,953.46/190,282.61
  6. Step 6: Final answer
    x = 145,456.33

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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.