Home / 149,822.40-224,582.40-74,827.20

Finding the Fourth Proportional to 149,822.40, 224,582.40 and 74,827.20

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Solution

The fourth proportional to 149,822.40, 224,582.40 and 74,827.20 is: 112,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.40 : 224,582.40 = 74,827.20 : x
  2. Step 2: Convert to fraction form
    149,822.40/224,582.40 = 74,827.20/x
  3. Step 3: Cross multiply
    149,822.40x = 224,582.40 × 74,827.20
  4. Step 4: Simplify right side
    149,822.40x = 16,804,872,161.28
  5. Step 5: Solve for x
    x = 16,804,872,161.28/149,822.40
  6. Step 6: Final answer
    x = 112,165.28

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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.