Home / 223,784.17-308,827.18-126,994.38

Finding the Fourth Proportional to 223,784.17, 308,827.18 and 126,994.38

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Solution

The fourth proportional to 223,784.17, 308,827.18 and 126,994.38 is: 175,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,784.17 : 308,827.18 = 126,994.38 : x
  2. Step 2: Convert to fraction form
    223,784.17/308,827.18 = 126,994.38/x
  3. Step 3: Cross multiply
    223,784.17x = 308,827.18 × 126,994.38
  4. Step 4: Simplify right side
    223,784.17x = 39,219,316,989.04
  5. Step 5: Solve for x
    x = 39,219,316,989.04/223,784.17
  6. Step 6: Final answer
    x = 175,255.10

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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.