Home / 127,664.59-191,479.65-52,774.35

Finding the Fourth Proportional to 127,664.59, 191,479.65 and 52,774.35

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Solution

The fourth proportional to 127,664.59, 191,479.65 and 52,774.35 is: 79,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,664.59 : 191,479.65 = 52,774.35 : x
  2. Step 2: Convert to fraction form
    127,664.59/191,479.65 = 52,774.35/x
  3. Step 3: Cross multiply
    127,664.59x = 191,479.65 × 52,774.35
  4. Step 4: Simplify right side
    127,664.59x = 10,105,214,066.98
  5. Step 5: Solve for x
    x = 10,105,214,066.98/127,664.59
  6. Step 6: Final answer
    x = 79,154.40

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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.