Home / 377,188.18-520,533.58-207,438.10

Finding the Fourth Proportional to 377,188.18, 520,533.58 and 207,438.10

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Solution

The fourth proportional to 377,188.18, 520,533.58 and 207,438.10 is: 286,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,188.18 : 520,533.58 = 207,438.10 : x
  2. Step 2: Convert to fraction form
    377,188.18/520,533.58 = 207,438.10/x
  3. Step 3: Cross multiply
    377,188.18x = 520,533.58 × 207,438.10
  4. Step 4: Simplify right side
    377,188.18x = 107,978,496,821.40
  5. Step 5: Solve for x
    x = 107,978,496,821.40/377,188.18
  6. Step 6: Final answer
    x = 286,272.22

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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.