Home / 535,171.90-802,754.20-130,359.28

Finding the Fourth Proportional to 535,171.90, 802,754.20 and 130,359.28

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Solution

The fourth proportional to 535,171.90, 802,754.20 and 130,359.28 is: 195,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,171.90 : 802,754.20 = 130,359.28 : x
  2. Step 2: Convert to fraction form
    535,171.90/802,754.20 = 130,359.28/x
  3. Step 3: Cross multiply
    535,171.90x = 802,754.20 × 130,359.28
  4. Step 4: Simplify right side
    535,171.90x = 104,646,459,528.98
  5. Step 5: Solve for x
    x = 104,646,459,528.98/535,171.90
  6. Step 6: Final answer
    x = 195,538.03

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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.