Home / 127,636.46-191,572.90-64,501.01

Finding the Fourth Proportional to 127,636.46, 191,572.90 and 64,501.01

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Solution

The fourth proportional to 127,636.46, 191,572.90 and 64,501.01 is: 96,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,636.46 : 191,572.90 = 64,501.01 : x
  2. Step 2: Convert to fraction form
    127,636.46/191,572.90 = 64,501.01/x
  3. Step 3: Cross multiply
    127,636.46x = 191,572.90 × 64,501.01
  4. Step 4: Simplify right side
    127,636.46x = 12,356,645,137.91
  5. Step 5: Solve for x
    x = 12,356,645,137.91/127,636.46
  6. Step 6: Final answer
    x = 96,811.25

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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.