Home / 194,639.24-268,602.54-105,215.24

Finding the Fourth Proportional to 194,639.24, 268,602.54 and 105,215.24

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Solution

The fourth proportional to 194,639.24, 268,602.54 and 105,215.24 is: 145,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,639.24 : 268,602.54 = 105,215.24 : x
  2. Step 2: Convert to fraction form
    194,639.24/268,602.54 = 105,215.24/x
  3. Step 3: Cross multiply
    194,639.24x = 268,602.54 × 105,215.24
  4. Step 4: Simplify right side
    194,639.24x = 28,261,080,710.71
  5. Step 5: Solve for x
    x = 28,261,080,710.71/194,639.24
  6. Step 6: Final answer
    x = 145,197.24

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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.