Home / 347,977.70-521,966.55-170,830.70

Finding the Fourth Proportional to 347,977.70, 521,966.55 and 170,830.70

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Solution

The fourth proportional to 347,977.70, 521,966.55 and 170,830.70 is: 256,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,977.70 : 521,966.55 = 170,830.70 : x
  2. Step 2: Convert to fraction form
    347,977.70/521,966.55 = 170,830.70/x
  3. Step 3: Cross multiply
    347,977.70x = 521,966.55 × 170,830.70
  4. Step 4: Simplify right side
    347,977.70x = 89,167,911,113.09
  5. Step 5: Solve for x
    x = 89,167,911,113.09/347,977.70
  6. Step 6: Final answer
    x = 256,246.05

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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.