Home / 163,543.20-245,314.80-110,399.10

Finding the Fourth Proportional to 163,543.20, 245,314.80 and 110,399.10

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Solution

The fourth proportional to 163,543.20, 245,314.80 and 110,399.10 is: 165,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,543.20 : 245,314.80 = 110,399.10 : x
  2. Step 2: Convert to fraction form
    163,543.20/245,314.80 = 110,399.10/x
  3. Step 3: Cross multiply
    163,543.20x = 245,314.80 × 110,399.10
  4. Step 4: Simplify right side
    163,543.20x = 27,082,533,136.68
  5. Step 5: Solve for x
    x = 27,082,533,136.68/163,543.20
  6. Step 6: Final answer
    x = 165,598.65

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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.