Home / 236,381.14-354,574.80-78,609.58

Finding the Fourth Proportional to 236,381.14, 354,574.80 and 78,609.58

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Solution

The fourth proportional to 236,381.14, 354,574.80 and 78,609.58 is: 117,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,381.14 : 354,574.80 = 78,609.58 : x
  2. Step 2: Convert to fraction form
    236,381.14/354,574.80 = 78,609.58/x
  3. Step 3: Cross multiply
    236,381.14x = 354,574.80 × 78,609.58
  4. Step 4: Simplify right side
    236,381.14x = 27,872,976,106.58
  5. Step 5: Solve for x
    x = 27,872,976,106.58/236,381.14
  6. Step 6: Final answer
    x = 117,915.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.