Home / 445,036.06-667,595.13-145,518.17

Finding the Fourth Proportional to 445,036.06, 667,595.13 and 145,518.17

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Solution

The fourth proportional to 445,036.06, 667,595.13 and 145,518.17 is: 218,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,036.06 : 667,595.13 = 145,518.17 : x
  2. Step 2: Convert to fraction form
    445,036.06/667,595.13 = 145,518.17/x
  3. Step 3: Cross multiply
    445,036.06x = 667,595.13 × 145,518.17
  4. Step 4: Simplify right side
    445,036.06x = 97,147,221,618.51
  5. Step 5: Solve for x
    x = 97,147,221,618.51/445,036.06
  6. Step 6: Final answer
    x = 218,290.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.