Home / 186,526.81-279,707.91-53,376.76

Finding the Fourth Proportional to 186,526.81, 279,707.91 and 53,376.76

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Solution

The fourth proportional to 186,526.81, 279,707.91 and 53,376.76 is: 80,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,526.81 : 279,707.91 = 53,376.76 : x
  2. Step 2: Convert to fraction form
    186,526.81/279,707.91 = 53,376.76/x
  3. Step 3: Cross multiply
    186,526.81x = 279,707.91 × 53,376.76
  4. Step 4: Simplify right side
    186,526.81x = 14,929,901,982.17
  5. Step 5: Solve for x
    x = 14,929,901,982.17/186,526.81
  6. Step 6: Final answer
    x = 80,041.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.