Home / 282,300.96-423,441.36-71,937.12

Finding the Fourth Proportional to 282,300.96, 423,441.36 and 71,937.12

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Solution

The fourth proportional to 282,300.96, 423,441.36 and 71,937.12 is: 107,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,300.96 : 423,441.36 = 71,937.12 : x
  2. Step 2: Convert to fraction form
    282,300.96/423,441.36 = 71,937.12/x
  3. Step 3: Cross multiply
    282,300.96x = 423,441.36 × 71,937.12
  4. Step 4: Simplify right side
    282,300.96x = 30,461,151,927.28
  5. Step 5: Solve for x
    x = 30,461,151,927.28/282,300.96
  6. Step 6: Final answer
    x = 107,903.11

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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.