Home / 186,633.90-257,558.65-104,963.72

Finding the Fourth Proportional to 186,633.90, 257,558.65 and 104,963.72

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Solution

The fourth proportional to 186,633.90, 257,558.65 and 104,963.72 is: 144,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,633.90 : 257,558.65 = 104,963.72 : x
  2. Step 2: Convert to fraction form
    186,633.90/257,558.65 = 104,963.72/x
  3. Step 3: Cross multiply
    186,633.90x = 257,558.65 × 104,963.72
  4. Step 4: Simplify right side
    186,633.90x = 27,034,314,022.18
  5. Step 5: Solve for x
    x = 27,034,314,022.18/186,633.90
  6. Step 6: Final answer
    x = 144,852.11

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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.