Home / 136,089.02-187,792.20-75,656.00

Finding the Fourth Proportional to 136,089.02, 187,792.20 and 75,656.00

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Solution

The fourth proportional to 136,089.02, 187,792.20 and 75,656.00 is: 104,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.02 : 187,792.20 = 75,656.00 : x
  2. Step 2: Convert to fraction form
    136,089.02/187,792.20 = 75,656.00/x
  3. Step 3: Cross multiply
    136,089.02x = 187,792.20 × 75,656.00
  4. Step 4: Simplify right side
    136,089.02x = 14,207,607,152.68
  5. Step 5: Solve for x
    x = 14,207,607,152.68/136,089.02
  6. Step 6: Final answer
    x = 104,399.36

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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.