Home / 117,490.08-162,170.52-71,566.32

Finding the Fourth Proportional to 117,490.08, 162,170.52 and 71,566.32

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Solution

The fourth proportional to 117,490.08, 162,170.52 and 71,566.32 is: 98,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,490.08 : 162,170.52 = 71,566.32 : x
  2. Step 2: Convert to fraction form
    117,490.08/162,170.52 = 71,566.32/x
  3. Step 3: Cross multiply
    117,490.08x = 162,170.52 × 71,566.32
  4. Step 4: Simplify right side
    117,490.08x = 11,605,947,328.89
  5. Step 5: Solve for x
    x = 11,605,947,328.89/117,490.08
  6. Step 6: Final answer
    x = 98,782.36

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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.