Home / 186,666.03-257,605.14-105,008.43

Finding the Fourth Proportional to 186,666.03, 257,605.14 and 105,008.43

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Solution

The fourth proportional to 186,666.03, 257,605.14 and 105,008.43 is: 144,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,666.03 : 257,605.14 = 105,008.43 : x
  2. Step 2: Convert to fraction form
    186,666.03/257,605.14 = 105,008.43/x
  3. Step 3: Cross multiply
    186,666.03x = 257,605.14 × 105,008.43
  4. Step 4: Simplify right side
    186,666.03x = 27,050,711,311.33
  5. Step 5: Solve for x
    x = 27,050,711,311.33/186,666.03
  6. Step 6: Final answer
    x = 144,915.02

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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.