Home / 210,533.20-315,233.86-160,374.32

Finding the Fourth Proportional to 210,533.20, 315,233.86 and 160,374.32

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Solution

The fourth proportional to 210,533.20, 315,233.86 and 160,374.32 is: 240,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,533.20 : 315,233.86 = 160,374.32 : x
  2. Step 2: Convert to fraction form
    210,533.20/315,233.86 = 160,374.32/x
  3. Step 3: Cross multiply
    210,533.20x = 315,233.86 × 160,374.32
  4. Step 4: Simplify right side
    210,533.20x = 50,555,415,938.48
  5. Step 5: Solve for x
    x = 50,555,415,938.48/210,533.20
  6. Step 6: Final answer
    x = 240,130.37

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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.