Home / 330,802.38-456,501.08-185,610.76

Finding the Fourth Proportional to 330,802.38, 456,501.08 and 185,610.76

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Solution

The fourth proportional to 330,802.38, 456,501.08 and 185,610.76 is: 256,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,802.38 : 456,501.08 = 185,610.76 : x
  2. Step 2: Convert to fraction form
    330,802.38/456,501.08 = 185,610.76/x
  3. Step 3: Cross multiply
    330,802.38x = 456,501.08 × 185,610.76
  4. Step 4: Simplify right side
    330,802.38x = 84,731,511,722.40
  5. Step 5: Solve for x
    x = 84,731,511,722.40/330,802.38
  6. Step 6: Final answer
    x = 256,139.37

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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.