Home / 127,767.98-191,770.64-64,632.74

Finding the Fourth Proportional to 127,767.98, 191,770.64 and 64,632.74

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Solution

The fourth proportional to 127,767.98, 191,770.64 and 64,632.74 is: 97,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,767.98 : 191,770.64 = 64,632.74 : x
  2. Step 2: Convert to fraction form
    127,767.98/191,770.64 = 64,632.74/x
  3. Step 3: Cross multiply
    127,767.98x = 191,770.64 × 64,632.74
  4. Step 4: Simplify right side
    127,767.98x = 12,394,660,875.11
  5. Step 5: Solve for x
    x = 12,394,660,875.11/127,767.98
  6. Step 6: Final answer
    x = 97,009.13

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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.