Home / 434,163.03-651,338.10-134,637.59

Finding the Fourth Proportional to 434,163.03, 651,338.10 and 134,637.59

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Solution

The fourth proportional to 434,163.03, 651,338.10 and 134,637.59 is: 201,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,163.03 : 651,338.10 = 134,637.59 : x
  2. Step 2: Convert to fraction form
    434,163.03/651,338.10 = 134,637.59/x
  3. Step 3: Cross multiply
    434,163.03x = 651,338.10 × 134,637.59
  4. Step 4: Simplify right side
    434,163.03x = 87,694,588,802.49
  5. Step 5: Solve for x
    x = 87,694,588,802.49/434,163.03
  6. Step 6: Final answer
    x = 201,985.39

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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.