Home / 130,106.18-179,541.96-73,516.34

Finding the Fourth Proportional to 130,106.18, 179,541.96 and 73,516.34

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Solution

The fourth proportional to 130,106.18, 179,541.96 and 73,516.34 is: 101,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,106.18 : 179,541.96 = 73,516.34 : x
  2. Step 2: Convert to fraction form
    130,106.18/179,541.96 = 73,516.34/x
  3. Step 3: Cross multiply
    130,106.18x = 179,541.96 × 73,516.34
  4. Step 4: Simplify right side
    130,106.18x = 13,199,267,775.63
  5. Step 5: Solve for x
    x = 13,199,267,775.63/130,106.18
  6. Step 6: Final answer
    x = 101,449.97

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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.