Home / 173,440.94-239,387.00-105,443.46

Finding the Fourth Proportional to 173,440.94, 239,387.00 and 105,443.46

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Solution

The fourth proportional to 173,440.94, 239,387.00 and 105,443.46 is: 145,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,440.94 : 239,387.00 = 105,443.46 : x
  2. Step 2: Convert to fraction form
    173,440.94/239,387.00 = 105,443.46/x
  3. Step 3: Cross multiply
    173,440.94x = 239,387.00 × 105,443.46
  4. Step 4: Simplify right side
    173,440.94x = 25,241,793,031.80
  5. Step 5: Solve for x
    x = 25,241,793,031.80/173,440.94
  6. Step 6: Final answer
    x = 145,535.38

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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.