Home / 130,479.96-195,795.27-70,508.64

Finding the Fourth Proportional to 130,479.96, 195,795.27 and 70,508.64

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Solution

The fourth proportional to 130,479.96, 195,795.27 and 70,508.64 is: 105,803.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,479.96 : 195,795.27 = 70,508.64 : x
  2. Step 2: Convert to fraction form
    130,479.96/195,795.27 = 70,508.64/x
  3. Step 3: Cross multiply
    130,479.96x = 195,795.27 × 70,508.64
  4. Step 4: Simplify right side
    130,479.96x = 13,805,258,206.13
  5. Step 5: Solve for x
    x = 13,805,258,206.13/130,479.96
  6. Step 6: Final answer
    x = 105,803.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.