Home / 190,222.41-262,515.18-105,339.47

Finding the Fourth Proportional to 190,222.41, 262,515.18 and 105,339.47

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Solution

The fourth proportional to 190,222.41, 262,515.18 and 105,339.47 is: 145,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,222.41 : 262,515.18 = 105,339.47 : x
  2. Step 2: Convert to fraction form
    190,222.41/262,515.18 = 105,339.47/x
  3. Step 3: Cross multiply
    190,222.41x = 262,515.18 × 105,339.47
  4. Step 4: Simplify right side
    190,222.41x = 27,653,209,401.46
  5. Step 5: Solve for x
    x = 27,653,209,401.46/190,222.41
  6. Step 6: Final answer
    x = 145,373.04

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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.