Home / 151,826.12-209,518.98-83,847.32

Finding the Fourth Proportional to 151,826.12, 209,518.98 and 83,847.32

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Solution

The fourth proportional to 151,826.12, 209,518.98 and 83,847.32 is: 115,708.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,826.12 : 209,518.98 = 83,847.32 : x
  2. Step 2: Convert to fraction form
    151,826.12/209,518.98 = 83,847.32/x
  3. Step 3: Cross multiply
    151,826.12x = 209,518.98 × 83,847.32
  4. Step 4: Simplify right side
    151,826.12x = 17,567,604,962.13
  5. Step 5: Solve for x
    x = 17,567,604,962.13/151,826.12
  6. Step 6: Final answer
    x = 115,708.71

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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.