Home / 153,785.26-230,657.63-45,712.33

Finding the Fourth Proportional to 153,785.26, 230,657.63 and 45,712.33

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Solution

The fourth proportional to 153,785.26, 230,657.63 and 45,712.33 is: 68,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,785.26 : 230,657.63 = 45,712.33 : x
  2. Step 2: Convert to fraction form
    153,785.26/230,657.63 = 45,712.33/x
  3. Step 3: Cross multiply
    153,785.26x = 230,657.63 × 45,712.33
  4. Step 4: Simplify right side
    153,785.26x = 10,543,896,894.37
  5. Step 5: Solve for x
    x = 10,543,896,894.37/153,785.26
  6. Step 6: Final answer
    x = 68,562.47

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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.