Home / 374,116.05-561,395.34-137,624.67

Finding the Fourth Proportional to 374,116.05, 561,395.34 and 137,624.67

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Solution

The fourth proportional to 374,116.05, 561,395.34 and 137,624.67 is: 206,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,116.05 : 561,395.34 = 137,624.67 : x
  2. Step 2: Convert to fraction form
    374,116.05/561,395.34 = 137,624.67/x
  3. Step 3: Cross multiply
    374,116.05x = 561,395.34 × 137,624.67
  4. Step 4: Simplify right side
    374,116.05x = 77,261,848,407.04
  5. Step 5: Solve for x
    x = 77,261,848,407.04/374,116.05
  6. Step 6: Final answer
    x = 206,518.40

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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.