Home / 130,022.52-179,431.04-70,406.52

Finding the Fourth Proportional to 130,022.52, 179,431.04 and 70,406.52

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Solution

The fourth proportional to 130,022.52, 179,431.04 and 70,406.52 is: 97,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,022.52 : 179,431.04 = 70,406.52 : x
  2. Step 2: Convert to fraction form
    130,022.52/179,431.04 = 70,406.52/x
  3. Step 3: Cross multiply
    130,022.52x = 179,431.04 × 70,406.52
  4. Step 4: Simplify right side
    130,022.52x = 12,633,115,106.38
  5. Step 5: Solve for x
    x = 12,633,115,106.38/130,022.52
  6. Step 6: Final answer
    x = 97,160.98

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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.