Home / 163,629.40-245,271.30-93,357.40

Finding the Fourth Proportional to 163,629.40, 245,271.30 and 93,357.40

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Solution

The fourth proportional to 163,629.40, 245,271.30 and 93,357.40 is: 139,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.40 : 245,271.30 = 93,357.40 : x
  2. Step 2: Convert to fraction form
    163,629.40/245,271.30 = 93,357.40/x
  3. Step 3: Cross multiply
    163,629.40x = 245,271.30 × 93,357.40
  4. Step 4: Simplify right side
    163,629.40x = 22,897,890,862.62
  5. Step 5: Solve for x
    x = 22,897,890,862.62/163,629.40
  6. Step 6: Final answer
    x = 139,937.51

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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.