Home / 173,521.43-239,486.65-105,559.73

Finding the Fourth Proportional to 173,521.43, 239,486.65 and 105,559.73

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Solution

The fourth proportional to 173,521.43, 239,486.65 and 105,559.73 is: 145,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.43 : 239,486.65 = 105,559.73 : x
  2. Step 2: Convert to fraction form
    173,521.43/239,486.65 = 105,559.73/x
  3. Step 3: Cross multiply
    173,521.43x = 239,486.65 × 105,559.73
  4. Step 4: Simplify right side
    173,521.43x = 25,280,144,651.27
  5. Step 5: Solve for x
    x = 25,280,144,651.27/173,521.43
  6. Step 6: Final answer
    x = 145,688.89

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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.