Home / 201,624.39-278,125.65-126,041.67

Finding the Fourth Proportional to 201,624.39, 278,125.65 and 126,041.67

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Solution

The fourth proportional to 201,624.39, 278,125.65 and 126,041.67 is: 173,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.39 : 278,125.65 = 126,041.67 : x
  2. Step 2: Convert to fraction form
    201,624.39/278,125.65 = 126,041.67/x
  3. Step 3: Cross multiply
    201,624.39x = 278,125.65 × 126,041.67
  4. Step 4: Simplify right side
    201,624.39x = 35,055,421,395.84
  5. Step 5: Solve for x
    x = 35,055,421,395.84/201,624.39
  6. Step 6: Final answer
    x = 173,864.98

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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.