Home / 130,112.25-179,554.91-70,496.25

Finding the Fourth Proportional to 130,112.25, 179,554.91 and 70,496.25

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Solution

The fourth proportional to 130,112.25, 179,554.91 and 70,496.25 is: 97,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,112.25 : 179,554.91 = 70,496.25 : x
  2. Step 2: Convert to fraction form
    130,112.25/179,554.91 = 70,496.25/x
  3. Step 3: Cross multiply
    130,112.25x = 179,554.91 × 70,496.25
  4. Step 4: Simplify right side
    130,112.25x = 12,657,947,471.61
  5. Step 5: Solve for x
    x = 12,657,947,471.61/130,112.25
  6. Step 6: Final answer
    x = 97,284.83

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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.