Home / 186,088.74-256,744.53-105,509.94

Finding the Fourth Proportional to 186,088.74, 256,744.53 and 105,509.94

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Solution

The fourth proportional to 186,088.74, 256,744.53 and 105,509.94 is: 145,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,088.74 : 256,744.53 = 105,509.94 : x
  2. Step 2: Convert to fraction form
    186,088.74/256,744.53 = 105,509.94/x
  3. Step 3: Cross multiply
    186,088.74x = 256,744.53 × 105,509.94
  4. Step 4: Simplify right side
    186,088.74x = 27,089,099,955.63
  5. Step 5: Solve for x
    x = 27,089,099,955.63/186,088.74
  6. Step 6: Final answer
    x = 145,570.87

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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.