Home / 186,710.49-257,616.18-106,131.69

Finding the Fourth Proportional to 186,710.49, 257,616.18 and 106,131.69

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Solution

The fourth proportional to 186,710.49, 257,616.18 and 106,131.69 is: 146,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,710.49 : 257,616.18 = 106,131.69 : x
  2. Step 2: Convert to fraction form
    186,710.49/257,616.18 = 106,131.69/x
  3. Step 3: Cross multiply
    186,710.49x = 257,616.18 × 106,131.69
  4. Step 4: Simplify right side
    186,710.49x = 27,341,240,554.74
  5. Step 5: Solve for x
    x = 27,341,240,554.74/186,710.49
  6. Step 6: Final answer
    x = 146,436.55

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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.