Home / 171,841.50-257,417.34-87,598.26

Finding the Fourth Proportional to 171,841.50, 257,417.34 and 87,598.26

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Solution

The fourth proportional to 171,841.50, 257,417.34 and 87,598.26 is: 131,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,841.50 : 257,417.34 = 87,598.26 : x
  2. Step 2: Convert to fraction form
    171,841.50/257,417.34 = 87,598.26/x
  3. Step 3: Cross multiply
    171,841.50x = 257,417.34 × 87,598.26
  4. Step 4: Simplify right side
    171,841.50x = 22,549,311,077.83
  5. Step 5: Solve for x
    x = 22,549,311,077.83/171,841.50
  6. Step 6: Final answer
    x = 131,221.57

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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.