Home / 186,370.50-257,178.06-105,799.62

Finding the Fourth Proportional to 186,370.50, 257,178.06 and 105,799.62

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Solution

The fourth proportional to 186,370.50, 257,178.06 and 105,799.62 is: 145,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,370.50 : 257,178.06 = 105,799.62 : x
  2. Step 2: Convert to fraction form
    186,370.50/257,178.06 = 105,799.62/x
  3. Step 3: Cross multiply
    186,370.50x = 257,178.06 × 105,799.62
  4. Step 4: Simplify right side
    186,370.50x = 27,209,341,020.34
  5. Step 5: Solve for x
    x = 27,209,341,020.34/186,370.50
  6. Step 6: Final answer
    x = 145,995.97

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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.