Home / 122,236.47-183,070.40-118,873.08

Finding the Fourth Proportional to 122,236.47, 183,070.40 and 118,873.08

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Solution

The fourth proportional to 122,236.47, 183,070.40 and 118,873.08 is: 178,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,236.47 : 183,070.40 = 118,873.08 : x
  2. Step 2: Convert to fraction form
    122,236.47/183,070.40 = 118,873.08/x
  3. Step 3: Cross multiply
    122,236.47x = 183,070.40 × 118,873.08
  4. Step 4: Simplify right side
    122,236.47x = 21,762,141,710.47
  5. Step 5: Solve for x
    x = 21,762,141,710.47/122,236.47
  6. Step 6: Final answer
    x = 178,033.13

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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.