Home / 153,211.14-211,373.34-95,040.98

Finding the Fourth Proportional to 153,211.14, 211,373.34 and 95,040.98

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Solution

The fourth proportional to 153,211.14, 211,373.34 and 95,040.98 is: 131,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,211.14 : 211,373.34 = 95,040.98 : x
  2. Step 2: Convert to fraction form
    153,211.14/211,373.34 = 95,040.98/x
  3. Step 3: Cross multiply
    153,211.14x = 211,373.34 × 95,040.98
  4. Step 4: Simplify right side
    153,211.14x = 20,089,129,379.47
  5. Step 5: Solve for x
    x = 20,089,129,379.47/153,211.14
  6. Step 6: Final answer
    x = 131,120.55

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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.