Home / 286,760.17-430,140.94-87,082.06

Finding the Fourth Proportional to 286,760.17, 430,140.94 and 87,082.06

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Solution

The fourth proportional to 286,760.17, 430,140.94 and 87,082.06 is: 130,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,760.17 : 430,140.94 = 87,082.06 : x
  2. Step 2: Convert to fraction form
    286,760.17/430,140.94 = 87,082.06/x
  3. Step 3: Cross multiply
    286,760.17x = 430,140.94 × 87,082.06
  4. Step 4: Simplify right side
    286,760.17x = 37,457,559,145.54
  5. Step 5: Solve for x
    x = 37,457,559,145.54/286,760.17
  6. Step 6: Final answer
    x = 130,623.30

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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.