Home / 385,078.07-577,228.91-160,562.48

Finding the Fourth Proportional to 385,078.07, 577,228.91 and 160,562.48

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Solution

The fourth proportional to 385,078.07, 577,228.91 and 160,562.48 is: 240,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,078.07 : 577,228.91 = 160,562.48 : x
  2. Step 2: Convert to fraction form
    385,078.07/577,228.91 = 160,562.48/x
  3. Step 3: Cross multiply
    385,078.07x = 577,228.91 × 160,562.48
  4. Step 4: Simplify right side
    385,078.07x = 92,681,301,628.34
  5. Step 5: Solve for x
    x = 92,681,301,628.34/385,078.07
  6. Step 6: Final answer
    x = 240,681.85

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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.