Home / 151,148.01-208,585.23-83,169.30

Finding the Fourth Proportional to 151,148.01, 208,585.23 and 83,169.30

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Solution

The fourth proportional to 151,148.01, 208,585.23 and 83,169.30 is: 114,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,148.01 : 208,585.23 = 83,169.30 : x
  2. Step 2: Convert to fraction form
    151,148.01/208,585.23 = 83,169.30/x
  3. Step 3: Cross multiply
    151,148.01x = 208,585.23 × 83,169.30
  4. Step 4: Simplify right side
    151,148.01x = 17,347,887,569.44
  5. Step 5: Solve for x
    x = 17,347,887,569.44/151,148.01
  6. Step 6: Final answer
    x = 114,774.17

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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.