Home / 228,110.64-314,786.52-127,528.08

Finding the Fourth Proportional to 228,110.64, 314,786.52 and 127,528.08

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Solution

The fourth proportional to 228,110.64, 314,786.52 and 127,528.08 is: 175,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,110.64 : 314,786.52 = 127,528.08 : x
  2. Step 2: Convert to fraction form
    228,110.64/314,786.52 = 127,528.08/x
  3. Step 3: Cross multiply
    228,110.64x = 314,786.52 × 127,528.08
  4. Step 4: Simplify right side
    228,110.64x = 40,144,120,505.48
  5. Step 5: Solve for x
    x = 40,144,120,505.48/228,110.64
  6. Step 6: Final answer
    x = 175,985.30

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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.