Home / 186,511.41-257,377.70-105,938.69

Finding the Fourth Proportional to 186,511.41, 257,377.70 and 105,938.69

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Solution

The fourth proportional to 186,511.41, 257,377.70 and 105,938.69 is: 146,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,511.41 : 257,377.70 = 105,938.69 : x
  2. Step 2: Convert to fraction form
    186,511.41/257,377.70 = 105,938.69/x
  3. Step 3: Cross multiply
    186,511.41x = 257,377.70 × 105,938.69
  4. Step 4: Simplify right side
    186,511.41x = 27,266,255,351.17
  5. Step 5: Solve for x
    x = 27,266,255,351.17/186,511.41
  6. Step 6: Final answer
    x = 146,190.82

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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.