Home / 199,724.56-299,570.40-59,483.20

Finding the Fourth Proportional to 199,724.56, 299,570.40 and 59,483.20

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Solution

The fourth proportional to 199,724.56, 299,570.40 and 59,483.20 is: 89,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,724.56 : 299,570.40 = 59,483.20 : x
  2. Step 2: Convert to fraction form
    199,724.56/299,570.40 = 59,483.20/x
  3. Step 3: Cross multiply
    199,724.56x = 299,570.40 × 59,483.20
  4. Step 4: Simplify right side
    199,724.56x = 17,819,406,017.28
  5. Step 5: Solve for x
    x = 17,819,406,017.28/199,724.56
  6. Step 6: Final answer
    x = 89,219.90

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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.