Home / 243,703.16-336,308.46-136,273.40

Finding the Fourth Proportional to 243,703.16, 336,308.46 and 136,273.40

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Solution

The fourth proportional to 243,703.16, 336,308.46 and 136,273.40 is: 188,056.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,703.16 : 336,308.46 = 136,273.40 : x
  2. Step 2: Convert to fraction form
    243,703.16/336,308.46 = 136,273.40/x
  3. Step 3: Cross multiply
    243,703.16x = 336,308.46 × 136,273.40
  4. Step 4: Simplify right side
    243,703.16x = 45,829,897,292.96
  5. Step 5: Solve for x
    x = 45,829,897,292.96/243,703.16
  6. Step 6: Final answer
    x = 188,056.23

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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.