Home / 151,514.04-209,090.84-83,533.72

Finding the Fourth Proportional to 151,514.04, 209,090.84 and 83,533.72

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Solution

The fourth proportional to 151,514.04, 209,090.84 and 83,533.72 is: 115,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,514.04 : 209,090.84 = 83,533.72 : x
  2. Step 2: Convert to fraction form
    151,514.04/209,090.84 = 83,533.72/x
  3. Step 3: Cross multiply
    151,514.04x = 209,090.84 × 83,533.72
  4. Step 4: Simplify right side
    151,514.04x = 17,466,135,683.12
  5. Step 5: Solve for x
    x = 17,466,135,683.12/151,514.04
  6. Step 6: Final answer
    x = 115,277.34

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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.