Home / 132,719.04-199,071.36-53,812.08

Finding the Fourth Proportional to 132,719.04, 199,071.36 and 53,812.08

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Solution

The fourth proportional to 132,719.04, 199,071.36 and 53,812.08 is: 80,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,719.04 : 199,071.36 = 53,812.08 : x
  2. Step 2: Convert to fraction form
    132,719.04/199,071.36 = 53,812.08/x
  3. Step 3: Cross multiply
    132,719.04x = 199,071.36 × 53,812.08
  4. Step 4: Simplify right side
    132,719.04x = 10,712,443,950.03
  5. Step 5: Solve for x
    x = 10,712,443,950.03/132,719.04
  6. Step 6: Final answer
    x = 80,715.20

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1.5x scale

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.