Home / 236,018.17-353,950.69-78,204.25

Finding the Fourth Proportional to 236,018.17, 353,950.69 and 78,204.25

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Solution

The fourth proportional to 236,018.17, 353,950.69 and 78,204.25 is: 117,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,018.17 : 353,950.69 = 78,204.25 : x
  2. Step 2: Convert to fraction form
    236,018.17/353,950.69 = 78,204.25/x
  3. Step 3: Cross multiply
    236,018.17x = 353,950.69 × 78,204.25
  4. Step 4: Simplify right side
    236,018.17x = 27,680,448,248.43
  5. Step 5: Solve for x
    x = 27,680,448,248.43/236,018.17
  6. Step 6: Final answer
    x = 117,281.01

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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.