Home / 124,678.85-186,222.68-112,814.37

Finding the Fourth Proportional to 124,678.85, 186,222.68 and 112,814.37

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Solution

The fourth proportional to 124,678.85, 186,222.68 and 112,814.37 is: 168,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,678.85 : 186,222.68 = 112,814.37 : x
  2. Step 2: Convert to fraction form
    124,678.85/186,222.68 = 112,814.37/x
  3. Step 3: Cross multiply
    124,678.85x = 186,222.68 × 112,814.37
  4. Step 4: Simplify right side
    124,678.85x = 21,008,594,182.89
  5. Step 5: Solve for x
    x = 21,008,594,182.89/124,678.85
  6. Step 6: Final answer
    x = 168,501.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.