Home / 228,554.70-315,402.03-127,956.30

Finding the Fourth Proportional to 228,554.70, 315,402.03 and 127,956.30

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Solution

The fourth proportional to 228,554.70, 315,402.03 and 127,956.30 is: 176,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,554.70 : 315,402.03 = 127,956.30 : x
  2. Step 2: Convert to fraction form
    228,554.70/315,402.03 = 127,956.30/x
  3. Step 3: Cross multiply
    228,554.70x = 315,402.03 × 127,956.30
  4. Step 4: Simplify right side
    228,554.70x = 40,357,676,771.29
  5. Step 5: Solve for x
    x = 40,357,676,771.29/228,554.70
  6. Step 6: Final answer
    x = 176,577.76

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1.5x scale

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.