Home / 127,083.53-190,492.29-42,814.58

Finding the Fourth Proportional to 127,083.53, 190,492.29 and 42,814.58

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Solution

The fourth proportional to 127,083.53, 190,492.29 and 42,814.58 is: 64,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,083.53 : 190,492.29 = 42,814.58 : x
  2. Step 2: Convert to fraction form
    127,083.53/190,492.29 = 42,814.58/x
  3. Step 3: Cross multiply
    127,083.53x = 190,492.29 × 42,814.58
  4. Step 4: Simplify right side
    127,083.53x = 8,155,846,437.13
  5. Step 5: Solve for x
    x = 8,155,846,437.13/127,083.53
  6. Step 6: Final answer
    x = 64,177.05

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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.