Home / 151,611.24-209,223.06-84,543.24

Finding the Fourth Proportional to 151,611.24, 209,223.06 and 84,543.24

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Solution

The fourth proportional to 151,611.24, 209,223.06 and 84,543.24 is: 116,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,611.24 : 209,223.06 = 84,543.24 : x
  2. Step 2: Convert to fraction form
    151,611.24/209,223.06 = 84,543.24/x
  3. Step 3: Cross multiply
    151,611.24x = 209,223.06 × 84,543.24
  4. Step 4: Simplify right side
    151,611.24x = 17,688,395,375.11
  5. Step 5: Solve for x
    x = 17,688,395,375.11/151,611.24
  6. Step 6: Final answer
    x = 116,669.42

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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.