Home / 432,037.84-648,161.93-143,848.72

Finding the Fourth Proportional to 432,037.84, 648,161.93 and 143,848.72

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Solution

The fourth proportional to 432,037.84, 648,161.93 and 143,848.72 is: 215,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,037.84 : 648,161.93 = 143,848.72 : x
  2. Step 2: Convert to fraction form
    432,037.84/648,161.93 = 143,848.72/x
  3. Step 3: Cross multiply
    432,037.84x = 648,161.93 × 143,848.72
  4. Step 4: Simplify right side
    432,037.84x = 93,237,263,983.23
  5. Step 5: Solve for x
    x = 93,237,263,983.23/432,037.84
  6. Step 6: Final answer
    x = 215,808.10

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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.