Home / 282,150.18-423,257.39-102,320.34

Finding the Fourth Proportional to 282,150.18, 423,257.39 and 102,320.34

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Solution

The fourth proportional to 282,150.18, 423,257.39 and 102,320.34 is: 153,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,150.18 : 423,257.39 = 102,320.34 : x
  2. Step 2: Convert to fraction form
    282,150.18/423,257.39 = 102,320.34/x
  3. Step 3: Cross multiply
    282,150.18x = 423,257.39 × 102,320.34
  4. Step 4: Simplify right side
    282,150.18x = 43,307,840,052.31
  5. Step 5: Solve for x
    x = 43,307,840,052.31/282,150.18
  6. Step 6: Final answer
    x = 153,492.16

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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.