Home / 130,352.32-179,886.20-70,736.32

Finding the Fourth Proportional to 130,352.32, 179,886.20 and 70,736.32

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Solution

The fourth proportional to 130,352.32, 179,886.20 and 70,736.32 is: 97,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,352.32 : 179,886.20 = 70,736.32 : x
  2. Step 2: Convert to fraction form
    130,352.32/179,886.20 = 70,736.32/x
  3. Step 3: Cross multiply
    130,352.32x = 179,886.20 × 70,736.32
  4. Step 4: Simplify right side
    130,352.32x = 12,724,487,806.78
  5. Step 5: Solve for x
    x = 12,724,487,806.78/130,352.32
  6. Step 6: Final answer
    x = 97,616.12

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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.