Home / 434,082.60-651,295.32-134,586.72

Finding the Fourth Proportional to 434,082.60, 651,295.32 and 134,586.72

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Solution

The fourth proportional to 434,082.60, 651,295.32 and 134,586.72 is: 201,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,082.60 : 651,295.32 = 134,586.72 : x
  2. Step 2: Convert to fraction form
    434,082.60/651,295.32 = 134,586.72/x
  3. Step 3: Cross multiply
    434,082.60x = 651,295.32 × 134,586.72
  4. Step 4: Simplify right side
    434,082.60x = 87,655,700,870.15
  5. Step 5: Solve for x
    x = 87,655,700,870.15/434,082.60
  6. Step 6: Final answer
    x = 201,933.23

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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.