Home / 417,713.40-626,570.10-102,166.20

Finding the Fourth Proportional to 417,713.40, 626,570.10 and 102,166.20

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Solution

The fourth proportional to 417,713.40, 626,570.10 and 102,166.20 is: 153,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,713.40 : 626,570.10 = 102,166.20 : x
  2. Step 2: Convert to fraction form
    417,713.40/626,570.10 = 102,166.20/x
  3. Step 3: Cross multiply
    417,713.40x = 626,570.10 × 102,166.20
  4. Step 4: Simplify right side
    417,713.40x = 64,014,286,150.62
  5. Step 5: Solve for x
    x = 64,014,286,150.62/417,713.40
  6. Step 6: Final answer
    x = 153,249.30

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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.