Home / 195,205.60-292,822.80-70,530.40

Finding the Fourth Proportional to 195,205.60, 292,822.80 and 70,530.40

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Solution

The fourth proportional to 195,205.60, 292,822.80 and 70,530.40 is: 105,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,205.60 : 292,822.80 = 70,530.40 : x
  2. Step 2: Convert to fraction form
    195,205.60/292,822.80 = 70,530.40/x
  3. Step 3: Cross multiply
    195,205.60x = 292,822.80 × 70,530.40
  4. Step 4: Simplify right side
    195,205.60x = 20,652,909,213.12
  5. Step 5: Solve for x
    x = 20,652,909,213.12/195,205.60
  6. Step 6: Final answer
    x = 105,800.80

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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.