Home / 228,476.49-315,307.40-126,501.95

Finding the Fourth Proportional to 228,476.49, 315,307.40 and 126,501.95

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Solution

The fourth proportional to 228,476.49, 315,307.40 and 126,501.95 is: 174,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,476.49 : 315,307.40 = 126,501.95 : x
  2. Step 2: Convert to fraction form
    228,476.49/315,307.40 = 126,501.95/x
  3. Step 3: Cross multiply
    228,476.49x = 315,307.40 × 126,501.95
  4. Step 4: Simplify right side
    228,476.49x = 39,886,999,689.15
  5. Step 5: Solve for x
    x = 39,886,999,689.15/228,476.49
  6. Step 6: Final answer
    x = 174,578.14

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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.