Home / 186,631.65-257,555.55-104,961.47

Finding the Fourth Proportional to 186,631.65, 257,555.55 and 104,961.47

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Solution

The fourth proportional to 186,631.65, 257,555.55 and 104,961.47 is: 144,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.65 : 257,555.55 = 104,961.47 : x
  2. Step 2: Convert to fraction form
    186,631.65/257,555.55 = 104,961.47/x
  3. Step 3: Cross multiply
    186,631.65x = 257,555.55 × 104,961.47
  4. Step 4: Simplify right side
    186,631.65x = 27,033,409,134.66
  5. Step 5: Solve for x
    x = 27,033,409,134.66/186,631.65
  6. Step 6: Final answer
    x = 144,849.01

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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.