Home / 153,149.24-211,314.98-89,474.74

Finding the Fourth Proportional to 153,149.24, 211,314.98 and 89,474.74

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Solution

The fourth proportional to 153,149.24, 211,314.98 and 89,474.74 is: 123,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,149.24 : 211,314.98 = 89,474.74 : x
  2. Step 2: Convert to fraction form
    153,149.24/211,314.98 = 89,474.74/x
  3. Step 3: Cross multiply
    153,149.24x = 211,314.98 × 89,474.74
  4. Step 4: Simplify right side
    153,149.24x = 18,907,352,589.00
  5. Step 5: Solve for x
    x = 18,907,352,589.00/153,149.24
  6. Step 6: Final answer
    x = 123,457.04

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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.