Home / 385,357.11-577,638.36-160,848.20

Finding the Fourth Proportional to 385,357.11, 577,638.36 and 160,848.20

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Solution

The fourth proportional to 385,357.11, 577,638.36 and 160,848.20 is: 241,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,357.11 : 577,638.36 = 160,848.20 : x
  2. Step 2: Convert to fraction form
    385,357.11/577,638.36 = 160,848.20/x
  3. Step 3: Cross multiply
    385,357.11x = 577,638.36 × 160,848.20
  4. Step 4: Simplify right side
    385,357.11x = 92,912,087,568.76
  5. Step 5: Solve for x
    x = 92,912,087,568.76/385,357.11
  6. Step 6: Final answer
    x = 241,106.46

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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.