Home / 251,438.10-377,594.55-133,340.10

Finding the Fourth Proportional to 251,438.10, 377,594.55 and 133,340.10

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Solution

The fourth proportional to 251,438.10, 377,594.55 and 133,340.10 is: 200,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,438.10 : 377,594.55 = 133,340.10 : x
  2. Step 2: Convert to fraction form
    251,438.10/377,594.55 = 133,340.10/x
  3. Step 3: Cross multiply
    251,438.10x = 377,594.55 × 133,340.10
  4. Step 4: Simplify right side
    251,438.10x = 50,348,495,056.46
  5. Step 5: Solve for x
    x = 50,348,495,056.46/251,438.10
  6. Step 6: Final answer
    x = 200,242.11

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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.