Home / 209,990.20-314,985.30-183,746.20

Finding the Fourth Proportional to 209,990.20, 314,985.30 and 183,746.20

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Solution

The fourth proportional to 209,990.20, 314,985.30 and 183,746.20 is: 275,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,990.20 : 314,985.30 = 183,746.20 : x
  2. Step 2: Convert to fraction form
    209,990.20/314,985.30 = 183,746.20/x
  3. Step 3: Cross multiply
    209,990.20x = 314,985.30 × 183,746.20
  4. Step 4: Simplify right side
    209,990.20x = 57,877,351,930.86
  5. Step 5: Solve for x
    x = 57,877,351,930.86/209,990.20
  6. Step 6: Final answer
    x = 275,619.30

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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.