Home / 282,174.16-423,260.08-102,217.45

Finding the Fourth Proportional to 282,174.16, 423,260.08 and 102,217.45

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Solution

The fourth proportional to 282,174.16, 423,260.08 and 102,217.45 is: 153,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,174.16 : 423,260.08 = 102,217.45 : x
  2. Step 2: Convert to fraction form
    282,174.16/423,260.08 = 102,217.45/x
  3. Step 3: Cross multiply
    282,174.16x = 423,260.08 × 102,217.45
  4. Step 4: Simplify right side
    282,174.16x = 43,264,564,353.90
  5. Step 5: Solve for x
    x = 43,264,564,353.90/282,174.16
  6. Step 6: Final answer
    x = 153,325.75

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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.