Home / 183,628.48-253,312.86-122,479.96

Finding the Fourth Proportional to 183,628.48, 253,312.86 and 122,479.96

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Solution

The fourth proportional to 183,628.48, 253,312.86 and 122,479.96 is: 168,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,628.48 : 253,312.86 = 122,479.96 : x
  2. Step 2: Convert to fraction form
    183,628.48/253,312.86 = 122,479.96/x
  3. Step 3: Cross multiply
    183,628.48x = 253,312.86 × 122,479.96
  4. Step 4: Simplify right side
    183,628.48x = 31,025,748,960.29
  5. Step 5: Solve for x
    x = 31,025,748,960.29/183,628.48
  6. Step 6: Final answer
    x = 168,959.35

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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.