Home / 248,075.50-342,344.19-140,645.53

Finding the Fourth Proportional to 248,075.50, 342,344.19 and 140,645.53

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Solution

The fourth proportional to 248,075.50, 342,344.19 and 140,645.53 is: 194,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,075.50 : 342,344.19 = 140,645.53 : x
  2. Step 2: Convert to fraction form
    248,075.50/342,344.19 = 140,645.53/x
  3. Step 3: Cross multiply
    248,075.50x = 342,344.19 × 140,645.53
  4. Step 4: Simplify right side
    248,075.50x = 48,149,179,341.74
  5. Step 5: Solve for x
    x = 48,149,179,341.74/248,075.50
  6. Step 6: Final answer
    x = 194,090.83

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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.