Home / 134,502.22-185,571.18-76,349.28

Finding the Fourth Proportional to 134,502.22, 185,571.18 and 76,349.28

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Solution

The fourth proportional to 134,502.22, 185,571.18 and 76,349.28 is: 105,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,502.22 : 185,571.18 = 76,349.28 : x
  2. Step 2: Convert to fraction form
    134,502.22/185,571.18 = 76,349.28/x
  3. Step 3: Cross multiply
    134,502.22x = 185,571.18 × 76,349.28
  4. Step 4: Simplify right side
    134,502.22x = 14,168,225,981.75
  5. Step 5: Solve for x
    x = 14,168,225,981.75/134,502.22
  6. Step 6: Final answer
    x = 105,338.23

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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.