Home / 102,388.41-153,477.27-39,193.65

Finding the Fourth Proportional to 102,388.41, 153,477.27 and 39,193.65

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Solution

The fourth proportional to 102,388.41, 153,477.27 and 39,193.65 is: 58,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,388.41 : 153,477.27 = 39,193.65 : x
  2. Step 2: Convert to fraction form
    102,388.41/153,477.27 = 39,193.65/x
  3. Step 3: Cross multiply
    102,388.41x = 153,477.27 × 39,193.65
  4. Step 4: Simplify right side
    102,388.41x = 6,015,334,403.34
  5. Step 5: Solve for x
    x = 6,015,334,403.34/102,388.41
  6. Step 6: Final answer
    x = 58,750.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.