Home / 127,113.30-190,637.96-52,254.32

Finding the Fourth Proportional to 127,113.30, 190,637.96 and 52,254.32

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Solution

The fourth proportional to 127,113.30, 190,637.96 and 52,254.32 is: 78,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.30 : 190,637.96 = 52,254.32 : x
  2. Step 2: Convert to fraction form
    127,113.30/190,637.96 = 52,254.32/x
  3. Step 3: Cross multiply
    127,113.30x = 190,637.96 × 52,254.32
  4. Step 4: Simplify right side
    127,113.30x = 9,961,655,751.53
  5. Step 5: Solve for x
    x = 9,961,655,751.53/127,113.30
  6. Step 6: Final answer
    x = 78,368.32

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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.