Home / 153,980.19-230,991.35-54,117.52

Finding the Fourth Proportional to 153,980.19, 230,991.35 and 54,117.52

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Solution

The fourth proportional to 153,980.19, 230,991.35 and 54,117.52 is: 81,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,980.19 : 230,991.35 = 54,117.52 : x
  2. Step 2: Convert to fraction form
    153,980.19/230,991.35 = 54,117.52/x
  3. Step 3: Cross multiply
    153,980.19x = 230,991.35 × 54,117.52
  4. Step 4: Simplify right side
    153,980.19x = 12,500,678,155.39
  5. Step 5: Solve for x
    x = 12,500,678,155.39/153,980.19
  6. Step 6: Final answer
    x = 81,183.68

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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.