Home / 127,508.16-175,856.58-113,178.45

Finding the Fourth Proportional to 127,508.16, 175,856.58 and 113,178.45

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Solution

The fourth proportional to 127,508.16, 175,856.58 and 113,178.45 is: 156,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,508.16 : 175,856.58 = 113,178.45 : x
  2. Step 2: Convert to fraction form
    127,508.16/175,856.58 = 113,178.45/x
  3. Step 3: Cross multiply
    127,508.16x = 175,856.58 × 113,178.45
  4. Step 4: Simplify right side
    127,508.16x = 19,903,175,146.70
  5. Step 5: Solve for x
    x = 19,903,175,146.70/127,508.16
  6. Step 6: Final answer
    x = 156,093.34

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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.