Home / 117,946.40-176,725.20-98,117.60

Finding the Fourth Proportional to 117,946.40, 176,725.20 and 98,117.60

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Solution

The fourth proportional to 117,946.40, 176,725.20 and 98,117.60 is: 147,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.40 : 176,725.20 = 98,117.60 : x
  2. Step 2: Convert to fraction form
    117,946.40/176,725.20 = 98,117.60/x
  3. Step 3: Cross multiply
    117,946.40x = 176,725.20 × 98,117.60
  4. Step 4: Simplify right side
    117,946.40x = 17,339,852,483.52
  5. Step 5: Solve for x
    x = 17,339,852,483.52/117,946.40
  6. Step 6: Final answer
    x = 147,014.68

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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.