Home / 187,750.63-281,626.53-47,509.21

Finding the Fourth Proportional to 187,750.63, 281,626.53 and 47,509.21

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Solution

The fourth proportional to 187,750.63, 281,626.53 and 47,509.21 is: 71,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,750.63 : 281,626.53 = 47,509.21 : x
  2. Step 2: Convert to fraction form
    187,750.63/281,626.53 = 47,509.21/x
  3. Step 3: Cross multiply
    187,750.63x = 281,626.53 × 47,509.21
  4. Step 4: Simplify right side
    187,750.63x = 13,379,853,955.34
  5. Step 5: Solve for x
    x = 13,379,853,955.34/187,750.63
  6. Step 6: Final answer
    x = 71,263.96

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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.