Home / 127,827.20-176,402.81-70,468.74

Finding the Fourth Proportional to 127,827.20, 176,402.81 and 70,468.74

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Solution

The fourth proportional to 127,827.20, 176,402.81 and 70,468.74 is: 97,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.20 : 176,402.81 = 70,468.74 : x
  2. Step 2: Convert to fraction form
    127,827.20/176,402.81 = 70,468.74/x
  3. Step 3: Cross multiply
    127,827.20x = 176,402.81 × 70,468.74
  4. Step 4: Simplify right side
    127,827.20x = 12,430,883,929.33
  5. Step 5: Solve for x
    x = 12,430,883,929.33/127,827.20
  6. Step 6: Final answer
    x = 97,247.56

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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.