Home / 231,657.16-347,250.30-91,222.60

Finding the Fourth Proportional to 231,657.16, 347,250.30 and 91,222.60

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Solution

The fourth proportional to 231,657.16, 347,250.30 and 91,222.60 is: 136,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,657.16 : 347,250.30 = 91,222.60 : x
  2. Step 2: Convert to fraction form
    231,657.16/347,250.30 = 91,222.60/x
  3. Step 3: Cross multiply
    231,657.16x = 347,250.30 × 91,222.60
  4. Step 4: Simplify right side
    231,657.16x = 31,677,075,216.78
  5. Step 5: Solve for x
    x = 31,677,075,216.78/231,657.16
  6. Step 6: Final answer
    x = 136,741.19

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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.