Home / 190,421.93-262,810.25-109,833.72

Finding the Fourth Proportional to 190,421.93, 262,810.25 and 109,833.72

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Solution

The fourth proportional to 190,421.93, 262,810.25 and 109,833.72 is: 151,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,421.93 : 262,810.25 = 109,833.72 : x
  2. Step 2: Convert to fraction form
    190,421.93/262,810.25 = 109,833.72/x
  3. Step 3: Cross multiply
    190,421.93x = 262,810.25 × 109,833.72
  4. Step 4: Simplify right side
    190,421.93x = 28,865,426,862.46
  5. Step 5: Solve for x
    x = 28,865,426,862.46/190,421.93
  6. Step 6: Final answer
    x = 151,586.68

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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.