Home / 163,565.85-245,347.95-43,622.55

Finding the Fourth Proportional to 163,565.85, 245,347.95 and 43,622.55

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Solution

The fourth proportional to 163,565.85, 245,347.95 and 43,622.55 is: 65,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,565.85 : 245,347.95 = 43,622.55 : x
  2. Step 2: Convert to fraction form
    163,565.85/245,347.95 = 43,622.55/x
  3. Step 3: Cross multiply
    163,565.85x = 245,347.95 × 43,622.55
  4. Step 4: Simplify right side
    163,565.85x = 10,702,703,216.27
  5. Step 5: Solve for x
    x = 10,702,703,216.27/163,565.85
  6. Step 6: Final answer
    x = 65,433.60

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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.