Home / 186,557.06-257,455.69-105,998.23

Finding the Fourth Proportional to 186,557.06, 257,455.69 and 105,998.23

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Solution

The fourth proportional to 186,557.06, 257,455.69 and 105,998.23 is: 146,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,557.06 : 257,455.69 = 105,998.23 : x
  2. Step 2: Convert to fraction form
    186,557.06/257,455.69 = 105,998.23/x
  3. Step 3: Cross multiply
    186,557.06x = 257,455.69 × 105,998.23
  4. Step 4: Simplify right side
    186,557.06x = 27,289,848,160.42
  5. Step 5: Solve for x
    x = 27,289,848,160.42/186,557.06
  6. Step 6: Final answer
    x = 146,281.51

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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.