Home / 136,467.92-188,366.28-86,200.40

Finding the Fourth Proportional to 136,467.92, 188,366.28 and 86,200.40

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Solution

The fourth proportional to 136,467.92, 188,366.28 and 86,200.40 is: 118,982.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,467.92 : 188,366.28 = 86,200.40 : x
  2. Step 2: Convert to fraction form
    136,467.92/188,366.28 = 86,200.40/x
  3. Step 3: Cross multiply
    136,467.92x = 188,366.28 × 86,200.40
  4. Step 4: Simplify right side
    136,467.92x = 16,237,248,682.51
  5. Step 5: Solve for x
    x = 16,237,248,682.51/136,467.92
  6. Step 6: Final answer
    x = 118,982.17

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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.