Home / 157,856.80-236,439.60-140,346.40

Finding the Fourth Proportional to 157,856.80, 236,439.60 and 140,346.40

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Solution

The fourth proportional to 157,856.80, 236,439.60 and 140,346.40 is: 210,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.80 : 236,439.60 = 140,346.40 : x
  2. Step 2: Convert to fraction form
    157,856.80/236,439.60 = 140,346.40/x
  3. Step 3: Cross multiply
    157,856.80x = 236,439.60 × 140,346.40
  4. Step 4: Simplify right side
    157,856.80x = 33,183,446,677.44
  5. Step 5: Solve for x
    x = 33,183,446,677.44/157,856.80
  6. Step 6: Final answer
    x = 210,212.34

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1.5x scale

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.