Home / 389,191.14-537,071.59-228,153.45

Finding the Fourth Proportional to 389,191.14, 537,071.59 and 228,153.45

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Solution

The fourth proportional to 389,191.14, 537,071.59 and 228,153.45 is: 314,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,191.14 : 537,071.59 = 228,153.45 : x
  2. Step 2: Convert to fraction form
    389,191.14/537,071.59 = 228,153.45/x
  3. Step 3: Cross multiply
    389,191.14x = 537,071.59 × 228,153.45
  4. Step 4: Simplify right side
    389,191.14x = 122,534,733,470.13
  5. Step 5: Solve for x
    x = 122,534,733,470.13/389,191.14
  6. Step 6: Final answer
    x = 314,844.61

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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.