Home / 313,699.60-432,905.88-170,461.36

Finding the Fourth Proportional to 313,699.60, 432,905.88 and 170,461.36

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Solution

The fourth proportional to 313,699.60, 432,905.88 and 170,461.36 is: 235,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,699.60 : 432,905.88 = 170,461.36 : x
  2. Step 2: Convert to fraction form
    313,699.60/432,905.88 = 170,461.36/x
  3. Step 3: Cross multiply
    313,699.60x = 432,905.88 × 170,461.36
  4. Step 4: Simplify right side
    313,699.60x = 73,793,725,056.80
  5. Step 5: Solve for x
    x = 73,793,725,056.80/313,699.60
  6. Step 6: Final answer
    x = 235,236.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.