Home / 186,084.01-256,686.61-117,063.72

Finding the Fourth Proportional to 186,084.01, 256,686.61 and 117,063.72

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Solution

The fourth proportional to 186,084.01, 256,686.61 and 117,063.72 is: 161,479.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,084.01 : 256,686.61 = 117,063.72 : x
  2. Step 2: Convert to fraction form
    186,084.01/256,686.61 = 117,063.72/x
  3. Step 3: Cross multiply
    186,084.01x = 256,686.61 × 117,063.72
  4. Step 4: Simplify right side
    186,084.01x = 30,048,689,440.79
  5. Step 5: Solve for x
    x = 30,048,689,440.79/186,084.01
  6. Step 6: Final answer
    x = 161,479.16

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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.