Home / 228,582.08-315,425.76-127,966.40

Finding the Fourth Proportional to 228,582.08, 315,425.76 and 127,966.40

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Solution

The fourth proportional to 228,582.08, 315,425.76 and 127,966.40 is: 176,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,582.08 : 315,425.76 = 127,966.40 : x
  2. Step 2: Convert to fraction form
    228,582.08/315,425.76 = 127,966.40/x
  3. Step 3: Cross multiply
    228,582.08x = 315,425.76 × 127,966.40
  4. Step 4: Simplify right side
    228,582.08x = 40,363,898,974.46
  5. Step 5: Solve for x
    x = 40,363,898,974.46/228,582.08
  6. Step 6: Final answer
    x = 176,583.83

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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.