Home / 103,635.85-155,453.78-95,762.65

Finding the Fourth Proportional to 103,635.85, 155,453.78 and 95,762.65

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Solution

The fourth proportional to 103,635.85, 155,453.78 and 95,762.65 is: 143,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.85 : 155,453.78 = 95,762.65 : x
  2. Step 2: Convert to fraction form
    103,635.85/155,453.78 = 95,762.65/x
  3. Step 3: Cross multiply
    103,635.85x = 155,453.78 × 95,762.65
  4. Step 4: Simplify right side
    103,635.85x = 14,886,665,925.32
  5. Step 5: Solve for x
    x = 14,886,665,925.32/103,635.85
  6. Step 6: Final answer
    x = 143,643.98

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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.