Home / 127,007.90-190,487.55-63,810.51

Finding the Fourth Proportional to 127,007.90, 190,487.55 and 63,810.51

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Solution

The fourth proportional to 127,007.90, 190,487.55 and 63,810.51 is: 95,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,007.90 : 190,487.55 = 63,810.51 : x
  2. Step 2: Convert to fraction form
    127,007.90/190,487.55 = 63,810.51/x
  3. Step 3: Cross multiply
    127,007.90x = 190,487.55 × 63,810.51
  4. Step 4: Simplify right side
    127,007.90x = 12,155,107,415.92
  5. Step 5: Solve for x
    x = 12,155,107,415.92/127,007.90
  6. Step 6: Final answer
    x = 95,703.55

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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.