Home / 151,623.16-209,277.48-103,305.04

Finding the Fourth Proportional to 151,623.16, 209,277.48 and 103,305.04

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Solution

The fourth proportional to 151,623.16, 209,277.48 and 103,305.04 is: 142,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,623.16 : 209,277.48 = 103,305.04 : x
  2. Step 2: Convert to fraction form
    151,623.16/209,277.48 = 103,305.04/x
  3. Step 3: Cross multiply
    151,623.16x = 209,277.48 × 103,305.04
  4. Step 4: Simplify right side
    151,623.16x = 21,619,418,442.50
  5. Step 5: Solve for x
    x = 21,619,418,442.50/151,623.16
  6. Step 6: Final answer
    x = 142,586.52

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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.