Home / 165,012.55-227,678.28-93,392.57

Finding the Fourth Proportional to 165,012.55, 227,678.28 and 93,392.57

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Solution

The fourth proportional to 165,012.55, 227,678.28 and 93,392.57 is: 128,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,012.55 : 227,678.28 = 93,392.57 : x
  2. Step 2: Convert to fraction form
    165,012.55/227,678.28 = 93,392.57/x
  3. Step 3: Cross multiply
    165,012.55x = 227,678.28 × 93,392.57
  4. Step 4: Simplify right side
    165,012.55x = 21,263,459,702.38
  5. Step 5: Solve for x
    x = 21,263,459,702.38/165,012.55
  6. Step 6: Final answer
    x = 128,859.65

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1.5x scale

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.