Home / 661,854.08-992,763.20-163,222.40

Finding the Fourth Proportional to 661,854.08, 992,763.20 and 163,222.40

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Solution

The fourth proportional to 661,854.08, 992,763.20 and 163,222.40 is: 244,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,854.08 : 992,763.20 = 163,222.40 : x
  2. Step 2: Convert to fraction form
    661,854.08/992,763.20 = 163,222.40/x
  3. Step 3: Cross multiply
    661,854.08x = 992,763.20 × 163,222.40
  4. Step 4: Simplify right side
    661,854.08x = 162,041,192,135.68
  5. Step 5: Solve for x
    x = 162,041,192,135.68/661,854.08
  6. Step 6: Final answer
    x = 244,829.18

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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.