Home / 353,724.02-530,606.80-100,985.08

Finding the Fourth Proportional to 353,724.02, 530,606.80 and 100,985.08

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Solution

The fourth proportional to 353,724.02, 530,606.80 and 100,985.08 is: 151,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,724.02 : 530,606.80 = 100,985.08 : x
  2. Step 2: Convert to fraction form
    353,724.02/530,606.80 = 100,985.08/x
  3. Step 3: Cross multiply
    353,724.02x = 530,606.80 × 100,985.08
  4. Step 4: Simplify right side
    353,724.02x = 53,583,370,146.54
  5. Step 5: Solve for x
    x = 53,583,370,146.54/353,724.02
  6. Step 6: Final answer
    x = 151,483.55

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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.