Home / 135,762.48-187,345.74-75,332.46

Finding the Fourth Proportional to 135,762.48, 187,345.74 and 75,332.46

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Solution

The fourth proportional to 135,762.48, 187,345.74 and 75,332.46 is: 103,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,762.48 : 187,345.74 = 75,332.46 : x
  2. Step 2: Convert to fraction form
    135,762.48/187,345.74 = 75,332.46/x
  3. Step 3: Cross multiply
    135,762.48x = 187,345.74 × 75,332.46
  4. Step 4: Simplify right side
    135,762.48x = 14,113,215,464.72
  5. Step 5: Solve for x
    x = 14,113,215,464.72/135,762.48
  6. Step 6: Final answer
    x = 103,955.20

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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.