Home / 185,946.40-278,725.20-101,576.80

Finding the Fourth Proportional to 185,946.40, 278,725.20 and 101,576.80

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Solution

The fourth proportional to 185,946.40, 278,725.20 and 101,576.80 is: 152,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,946.40 : 278,725.20 = 101,576.80 : x
  2. Step 2: Convert to fraction form
    185,946.40/278,725.20 = 101,576.80/x
  3. Step 3: Cross multiply
    185,946.40x = 278,725.20 × 101,576.80
  4. Step 4: Simplify right side
    185,946.40x = 28,312,013,895.36
  5. Step 5: Solve for x
    x = 28,312,013,895.36/185,946.40
  6. Step 6: Final answer
    x = 152,259.01

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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.