Home / 127,145.63-190,754.53-103,675.16

Finding the Fourth Proportional to 127,145.63, 190,754.53 and 103,675.16

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Solution

The fourth proportional to 127,145.63, 190,754.53 and 103,675.16 is: 155,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,145.63 : 190,754.53 = 103,675.16 : x
  2. Step 2: Convert to fraction form
    127,145.63/190,754.53 = 103,675.16/x
  3. Step 3: Cross multiply
    127,145.63x = 190,754.53 × 103,675.16
  4. Step 4: Simplify right side
    127,145.63x = 19,776,506,636.17
  5. Step 5: Solve for x
    x = 19,776,506,636.17/127,145.63
  6. Step 6: Final answer
    x = 155,542.16

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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.