Home / 127,881.60-176,430.33-74,137.02

Finding the Fourth Proportional to 127,881.60, 176,430.33 and 74,137.02

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Solution

The fourth proportional to 127,881.60, 176,430.33 and 74,137.02 is: 102,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,881.60 : 176,430.33 = 74,137.02 : x
  2. Step 2: Convert to fraction form
    127,881.60/176,430.33 = 74,137.02/x
  3. Step 3: Cross multiply
    127,881.60x = 176,430.33 × 74,137.02
  4. Step 4: Simplify right side
    127,881.60x = 13,080,018,903.82
  5. Step 5: Solve for x
    x = 13,080,018,903.82/127,881.60
  6. Step 6: Final answer
    x = 102,282.26

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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.