Home / 186,748.38-257,702.40-106,164.72

Finding the Fourth Proportional to 186,748.38, 257,702.40 and 106,164.72

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Solution

The fourth proportional to 186,748.38, 257,702.40 and 106,164.72 is: 146,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,748.38 : 257,702.40 = 106,164.72 : x
  2. Step 2: Convert to fraction form
    186,748.38/257,702.40 = 106,164.72/x
  3. Step 3: Cross multiply
    186,748.38x = 257,702.40 × 106,164.72
  4. Step 4: Simplify right side
    186,748.38x = 27,358,903,139.33
  5. Step 5: Solve for x
    x = 27,358,903,139.33/186,748.38
  6. Step 6: Final answer
    x = 146,501.42

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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.