Home / 147,191.10-203,124.69-83,529.96

Finding the Fourth Proportional to 147,191.10, 203,124.69 and 83,529.96

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Solution

The fourth proportional to 147,191.10, 203,124.69 and 83,529.96 is: 115,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191.10 : 203,124.69 = 83,529.96 : x
  2. Step 2: Convert to fraction form
    147,191.10/203,124.69 = 83,529.96/x
  3. Step 3: Cross multiply
    147,191.10x = 203,124.69 × 83,529.96
  4. Step 4: Simplify right side
    147,191.10x = 16,966,997,230.71
  5. Step 5: Solve for x
    x = 16,966,997,230.71/147,191.10
  6. Step 6: Final answer
    x = 115,271.90

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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.