Home / 243,506.30-336,032.46-136,077.21

Finding the Fourth Proportional to 243,506.30, 336,032.46 and 136,077.21

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Solution

The fourth proportional to 243,506.30, 336,032.46 and 136,077.21 is: 187,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,506.30 : 336,032.46 = 136,077.21 : x
  2. Step 2: Convert to fraction form
    243,506.30/336,032.46 = 136,077.21/x
  3. Step 3: Cross multiply
    243,506.30x = 336,032.46 × 136,077.21
  4. Step 4: Simplify right side
    243,506.30x = 45,726,359,626.24
  5. Step 5: Solve for x
    x = 45,726,359,626.24/243,506.30
  6. Step 6: Final answer
    x = 187,783.07

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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.