Home / 151,838.40-227,611.80-118,085.70

Finding the Fourth Proportional to 151,838.40, 227,611.80 and 118,085.70

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Solution

The fourth proportional to 151,838.40, 227,611.80 and 118,085.70 is: 177,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.40 : 227,611.80 = 118,085.70 : x
  2. Step 2: Convert to fraction form
    151,838.40/227,611.80 = 118,085.70/x
  3. Step 3: Cross multiply
    151,838.40x = 227,611.80 × 118,085.70
  4. Step 4: Simplify right side
    151,838.40x = 26,877,698,731.26
  5. Step 5: Solve for x
    x = 26,877,698,731.26/151,838.40
  6. Step 6: Final answer
    x = 177,015.16

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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.