Home / 228,144.08-314,821.32-127,528.40

Finding the Fourth Proportional to 228,144.08, 314,821.32 and 127,528.40

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Solution

The fourth proportional to 228,144.08, 314,821.32 and 127,528.40 is: 175,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,144.08 : 314,821.32 = 127,528.40 : x
  2. Step 2: Convert to fraction form
    228,144.08/314,821.32 = 127,528.40/x
  3. Step 3: Cross multiply
    228,144.08x = 314,821.32 × 127,528.40
  4. Step 4: Simplify right side
    228,144.08x = 40,148,659,225.49
  5. Step 5: Solve for x
    x = 40,148,659,225.49/228,144.08
  6. Step 6: Final answer
    x = 175,979.40

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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.