Home / 282,101.06-423,152.05-99,867.46

Finding the Fourth Proportional to 282,101.06, 423,152.05 and 99,867.46

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Solution

The fourth proportional to 282,101.06, 423,152.05 and 99,867.46 is: 149,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,101.06 : 423,152.05 = 99,867.46 : x
  2. Step 2: Convert to fraction form
    282,101.06/423,152.05 = 99,867.46/x
  3. Step 3: Cross multiply
    282,101.06x = 423,152.05 × 99,867.46
  4. Step 4: Simplify right side
    282,101.06x = 42,259,119,927.96
  5. Step 5: Solve for x
    x = 42,259,119,927.96/282,101.06
  6. Step 6: Final answer
    x = 149,801.35

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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.