Home / 134,886.60-202,329.90-99,457.20

Finding the Fourth Proportional to 134,886.60, 202,329.90 and 99,457.20

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Solution

The fourth proportional to 134,886.60, 202,329.90 and 99,457.20 is: 149,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.60 : 202,329.90 = 99,457.20 : x
  2. Step 2: Convert to fraction form
    134,886.60/202,329.90 = 99,457.20/x
  3. Step 3: Cross multiply
    134,886.60x = 202,329.90 × 99,457.20
  4. Step 4: Simplify right side
    134,886.60x = 20,123,165,330.28
  5. Step 5: Solve for x
    x = 20,123,165,330.28/134,886.60
  6. Step 6: Final answer
    x = 149,185.80

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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.