Home / 330,484.64-456,070-179,581.60

Finding the Fourth Proportional to 330,484.64, 456,070 and 179,581.60

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Solution

The fourth proportional to 330,484.64, 456,070 and 179,581.60 is: 247,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484.64 : 456,070 = 179,581.60 : x
  2. Step 2: Convert to fraction form
    330,484.64/456,070 = 179,581.60/x
  3. Step 3: Cross multiply
    330,484.64x = 456,070 × 179,581.60
  4. Step 4: Simplify right side
    330,484.64x = 81,901,780,312
  5. Step 5: Solve for x
    x = 81,901,780,312/330,484.64
  6. Step 6: Final answer
    x = 247,823.26

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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.