Home / 226,124.37-312,053.03-124,154.28

Finding the Fourth Proportional to 226,124.37, 312,053.03 and 124,154.28

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Solution

The fourth proportional to 226,124.37, 312,053.03 and 124,154.28 is: 171,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,124.37 : 312,053.03 = 124,154.28 : x
  2. Step 2: Convert to fraction form
    226,124.37/312,053.03 = 124,154.28/x
  3. Step 3: Cross multiply
    226,124.37x = 312,053.03 × 124,154.28
  4. Step 4: Simplify right side
    226,124.37x = 38,742,718,640.70
  5. Step 5: Solve for x
    x = 38,742,718,640.70/226,124.37
  6. Step 6: Final answer
    x = 171,333.67

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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.