Home / 127,273.15-175,631.07-70,688.17

Finding the Fourth Proportional to 127,273.15, 175,631.07 and 70,688.17

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Solution

The fourth proportional to 127,273.15, 175,631.07 and 70,688.17 is: 97,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,273.15 : 175,631.07 = 70,688.17 : x
  2. Step 2: Convert to fraction form
    127,273.15/175,631.07 = 70,688.17/x
  3. Step 3: Cross multiply
    127,273.15x = 175,631.07 × 70,688.17
  4. Step 4: Simplify right side
    127,273.15x = 12,415,038,933.44
  5. Step 5: Solve for x
    x = 12,415,038,933.44/127,273.15
  6. Step 6: Final answer
    x = 97,546.41

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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.