Home / 328,166.40-452,851.20-194,073.60

Finding the Fourth Proportional to 328,166.40, 452,851.20 and 194,073.60

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Solution

The fourth proportional to 328,166.40, 452,851.20 and 194,073.60 is: 267,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,166.40 : 452,851.20 = 194,073.60 : x
  2. Step 2: Convert to fraction form
    328,166.40/452,851.20 = 194,073.60/x
  3. Step 3: Cross multiply
    328,166.40x = 452,851.20 × 194,073.60
  4. Step 4: Simplify right side
    328,166.40x = 87,886,462,648.32
  5. Step 5: Solve for x
    x = 87,886,462,648.32/328,166.40
  6. Step 6: Final answer
    x = 267,810.67

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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.