Home / 228,511.24-315,341.65-126,534.52

Finding the Fourth Proportional to 228,511.24, 315,341.65 and 126,534.52

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Solution

The fourth proportional to 228,511.24, 315,341.65 and 126,534.52 is: 174,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,511.24 : 315,341.65 = 126,534.52 : x
  2. Step 2: Convert to fraction form
    228,511.24/315,341.65 = 126,534.52/x
  3. Step 3: Cross multiply
    228,511.24x = 315,341.65 × 126,534.52
  4. Step 4: Simplify right side
    228,511.24x = 39,901,604,159.35
  5. Step 5: Solve for x
    x = 39,901,604,159.35/228,511.24
  6. Step 6: Final answer
    x = 174,615.50

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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.