Home / 211,731.10-292,113.53-125,624.36

Finding the Fourth Proportional to 211,731.10, 292,113.53 and 125,624.36

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Solution

The fourth proportional to 211,731.10, 292,113.53 and 125,624.36 is: 173,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,731.10 : 292,113.53 = 125,624.36 : x
  2. Step 2: Convert to fraction form
    211,731.10/292,113.53 = 125,624.36/x
  3. Step 3: Cross multiply
    211,731.10x = 292,113.53 × 125,624.36
  4. Step 4: Simplify right side
    211,731.10x = 36,696,575,253.59
  5. Step 5: Solve for x
    x = 36,696,575,253.59/211,731.10
  6. Step 6: Final answer
    x = 173,316.89

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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.