Home / 374,140.14-515,944.53-230,869.77

Finding the Fourth Proportional to 374,140.14, 515,944.53 and 230,869.77

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Solution

The fourth proportional to 374,140.14, 515,944.53 and 230,869.77 is: 318,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,140.14 : 515,944.53 = 230,869.77 : x
  2. Step 2: Convert to fraction form
    374,140.14/515,944.53 = 230,869.77/x
  3. Step 3: Cross multiply
    374,140.14x = 515,944.53 × 230,869.77
  4. Step 4: Simplify right side
    374,140.14x = 119,115,994,973.86
  5. Step 5: Solve for x
    x = 119,115,994,973.86/374,140.14
  6. Step 6: Final answer
    x = 318,372.67

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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.