Home / 127,433.49-175,858.90-70,076.51

Finding the Fourth Proportional to 127,433.49, 175,858.90 and 70,076.51

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Solution

The fourth proportional to 127,433.49, 175,858.90 and 70,076.51 is: 96,705.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,433.49 : 175,858.90 = 70,076.51 : x
  2. Step 2: Convert to fraction form
    127,433.49/175,858.90 = 70,076.51/x
  3. Step 3: Cross multiply
    127,433.49x = 175,858.90 × 70,076.51
  4. Step 4: Simplify right side
    127,433.49x = 12,323,577,569.42
  5. Step 5: Solve for x
    x = 12,323,577,569.42/127,433.49
  6. Step 6: Final answer
    x = 96,705.96

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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.