Home / 186,963.45-257,699.35-132,445.77

Finding the Fourth Proportional to 186,963.45, 257,699.35 and 132,445.77

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Solution

The fourth proportional to 186,963.45, 257,699.35 and 132,445.77 is: 182,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,963.45 : 257,699.35 = 132,445.77 : x
  2. Step 2: Convert to fraction form
    186,963.45/257,699.35 = 132,445.77/x
  3. Step 3: Cross multiply
    186,963.45x = 257,699.35 × 132,445.77
  4. Step 4: Simplify right side
    186,963.45x = 34,131,187,293.43
  5. Step 5: Solve for x
    x = 34,131,187,293.43/186,963.45
  6. Step 6: Final answer
    x = 182,555.40

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1.5x scale

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.