Home / 194,890.24-268,948.80-105,466.24

Finding the Fourth Proportional to 194,890.24, 268,948.80 and 105,466.24

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Solution

The fourth proportional to 194,890.24, 268,948.80 and 105,466.24 is: 145,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,890.24 : 268,948.80 = 105,466.24 : x
  2. Step 2: Convert to fraction form
    194,890.24/268,948.80 = 105,466.24/x
  3. Step 3: Cross multiply
    194,890.24x = 268,948.80 × 105,466.24
  4. Step 4: Simplify right side
    194,890.24x = 28,365,018,688.51
  5. Step 5: Solve for x
    x = 28,365,018,688.51/194,890.24
  6. Step 6: Final answer
    x = 145,543.56

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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.