Home / 347,031.59-478,913.44-194,075.54

Finding the Fourth Proportional to 347,031.59, 478,913.44 and 194,075.54

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Solution

The fourth proportional to 347,031.59, 478,913.44 and 194,075.54 is: 267,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,031.59 : 478,913.44 = 194,075.54 : x
  2. Step 2: Convert to fraction form
    347,031.59/478,913.44 = 194,075.54/x
  3. Step 3: Cross multiply
    347,031.59x = 478,913.44 × 194,075.54
  4. Step 4: Simplify right side
    347,031.59x = 92,945,385,909.37
  5. Step 5: Solve for x
    x = 92,945,385,909.37/347,031.59
  6. Step 6: Final answer
    x = 267,829.76

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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.