Home / 185,243.40-277,569.78-118,628.70

Finding the Fourth Proportional to 185,243.40, 277,569.78 and 118,628.70

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Solution

The fourth proportional to 185,243.40, 277,569.78 and 118,628.70 is: 177,753.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,243.40 : 277,569.78 = 118,628.70 : x
  2. Step 2: Convert to fraction form
    185,243.40/277,569.78 = 118,628.70/x
  3. Step 3: Cross multiply
    185,243.40x = 277,569.78 × 118,628.70
  4. Step 4: Simplify right side
    185,243.40x = 32,927,742,160.69
  5. Step 5: Solve for x
    x = 32,927,742,160.69/185,243.40
  6. Step 6: Final answer
    x = 177,753.93

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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.