Home / 325,267.20-487,900.80-236,102.40

Finding the Fourth Proportional to 325,267.20, 487,900.80 and 236,102.40

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Solution

The fourth proportional to 325,267.20, 487,900.80 and 236,102.40 is: 354,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,267.20 : 487,900.80 = 236,102.40 : x
  2. Step 2: Convert to fraction form
    325,267.20/487,900.80 = 236,102.40/x
  3. Step 3: Cross multiply
    325,267.20x = 487,900.80 × 236,102.40
  4. Step 4: Simplify right side
    325,267.20x = 115,194,549,841.92
  5. Step 5: Solve for x
    x = 115,194,549,841.92/325,267.20
  6. Step 6: Final answer
    x = 354,153.60

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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.