Home / 163,762.16-245,755.98-57,146.72

Finding the Fourth Proportional to 163,762.16, 245,755.98 and 57,146.72

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Solution

The fourth proportional to 163,762.16, 245,755.98 and 57,146.72 is: 85,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,762.16 : 245,755.98 = 57,146.72 : x
  2. Step 2: Convert to fraction form
    163,762.16/245,755.98 = 57,146.72/x
  3. Step 3: Cross multiply
    163,762.16x = 245,755.98 × 57,146.72
  4. Step 4: Simplify right side
    163,762.16x = 14,044,148,177.39
  5. Step 5: Solve for x
    x = 14,044,148,177.39/163,762.16
  6. Step 6: Final answer
    x = 85,759.42

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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.