Home / 313,427.60-432,528.72-170,186.48

Finding the Fourth Proportional to 313,427.60, 432,528.72 and 170,186.48

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Solution

The fourth proportional to 313,427.60, 432,528.72 and 170,186.48 is: 234,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,427.60 : 432,528.72 = 170,186.48 : x
  2. Step 2: Convert to fraction form
    313,427.60/432,528.72 = 170,186.48/x
  3. Step 3: Cross multiply
    313,427.60x = 432,528.72 × 170,186.48
  4. Step 4: Simplify right side
    313,427.60x = 73,610,540,355.71
  5. Step 5: Solve for x
    x = 73,610,540,355.71/313,427.60
  6. Step 6: Final answer
    x = 234,856.60

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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.