Home / 127,453.02-175,893.77-84,358.28

Finding the Fourth Proportional to 127,453.02, 175,893.77 and 84,358.28

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Solution

The fourth proportional to 127,453.02, 175,893.77 and 84,358.28 is: 116,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.02 : 175,893.77 = 84,358.28 : x
  2. Step 2: Convert to fraction form
    127,453.02/175,893.77 = 84,358.28/x
  3. Step 3: Cross multiply
    127,453.02x = 175,893.77 × 84,358.28
  4. Step 4: Simplify right side
    127,453.02x = 14,838,094,598.66
  5. Step 5: Solve for x
    x = 14,838,094,598.66/127,453.02
  6. Step 6: Final answer
    x = 116,420.11

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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.