Home / 434,528.10-651,856.95-154,023.30

Finding the Fourth Proportional to 434,528.10, 651,856.95 and 154,023.30

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Solution

The fourth proportional to 434,528.10, 651,856.95 and 154,023.30 is: 231,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,528.10 : 651,856.95 = 154,023.30 : x
  2. Step 2: Convert to fraction form
    434,528.10/651,856.95 = 154,023.30/x
  3. Step 3: Cross multiply
    434,528.10x = 651,856.95 × 154,023.30
  4. Step 4: Simplify right side
    434,528.10x = 100,401,158,566.94
  5. Step 5: Solve for x
    x = 100,401,158,566.94/434,528.10
  6. Step 6: Final answer
    x = 231,057.92

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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.