Home / 410,848.40-616,272.60-130,365.20

Finding the Fourth Proportional to 410,848.40, 616,272.60 and 130,365.20

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Solution

The fourth proportional to 410,848.40, 616,272.60 and 130,365.20 is: 195,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,848.40 : 616,272.60 = 130,365.20 : x
  2. Step 2: Convert to fraction form
    410,848.40/616,272.60 = 130,365.20/x
  3. Step 3: Cross multiply
    410,848.40x = 616,272.60 × 130,365.20
  4. Step 4: Simplify right side
    410,848.40x = 80,340,500,753.52
  5. Step 5: Solve for x
    x = 80,340,500,753.52/410,848.40
  6. Step 6: Final answer
    x = 195,547.80

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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.