Home / 186,557.63-257,456.47-105,998.79

Finding the Fourth Proportional to 186,557.63, 257,456.47 and 105,998.79

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Solution

The fourth proportional to 186,557.63, 257,456.47 and 105,998.79 is: 146,282.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,557.63 : 257,456.47 = 105,998.79 : x
  2. Step 2: Convert to fraction form
    186,557.63/257,456.47 = 105,998.79/x
  3. Step 3: Cross multiply
    186,557.63x = 257,456.47 × 105,998.79
  4. Step 4: Simplify right side
    186,557.63x = 27,290,075,196.88
  5. Step 5: Solve for x
    x = 27,290,075,196.88/186,557.63
  6. Step 6: Final answer
    x = 146,282.28

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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.