Home / 103,623.45-155,435.18-95,458.65

Finding the Fourth Proportional to 103,623.45, 155,435.18 and 95,458.65

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Solution

The fourth proportional to 103,623.45, 155,435.18 and 95,458.65 is: 143,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.45 : 155,435.18 = 95,458.65 : x
  2. Step 2: Convert to fraction form
    103,623.45/155,435.18 = 95,458.65/x
  3. Step 3: Cross multiply
    103,623.45x = 155,435.18 × 95,458.65
  4. Step 4: Simplify right side
    103,623.45x = 14,837,632,445.31
  5. Step 5: Solve for x
    x = 14,837,632,445.31/103,623.45
  6. Step 6: Final answer
    x = 143,187.98

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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.