Home / 186,941.94-257,970.10-102,042.60

Finding the Fourth Proportional to 186,941.94, 257,970.10 and 102,042.60

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Solution

The fourth proportional to 186,941.94, 257,970.10 and 102,042.60 is: 140,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,941.94 : 257,970.10 = 102,042.60 : x
  2. Step 2: Convert to fraction form
    186,941.94/257,970.10 = 102,042.60/x
  3. Step 3: Cross multiply
    186,941.94x = 257,970.10 × 102,042.60
  4. Step 4: Simplify right side
    186,941.94x = 26,323,939,726.26
  5. Step 5: Solve for x
    x = 26,323,939,726.26/186,941.94
  6. Step 6: Final answer
    x = 140,813.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.