Home / 347,038.14-478,909.26-194,074.59

Finding the Fourth Proportional to 347,038.14, 478,909.26 and 194,074.59

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Solution

The fourth proportional to 347,038.14, 478,909.26 and 194,074.59 is: 267,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,038.14 : 478,909.26 = 194,074.59 : x
  2. Step 2: Convert to fraction form
    347,038.14/478,909.26 = 194,074.59/x
  3. Step 3: Cross multiply
    347,038.14x = 478,909.26 × 194,074.59
  4. Step 4: Simplify right side
    347,038.14x = 92,944,118,281.70
  5. Step 5: Solve for x
    x = 92,944,118,281.70/347,038.14
  6. Step 6: Final answer
    x = 267,821.05

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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.