Home / 135,038.40-202,557.60-133,070.10

Finding the Fourth Proportional to 135,038.40, 202,557.60 and 133,070.10

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Solution

The fourth proportional to 135,038.40, 202,557.60 and 133,070.10 is: 199,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,038.40 : 202,557.60 = 133,070.10 : x
  2. Step 2: Convert to fraction form
    135,038.40/202,557.60 = 133,070.10/x
  3. Step 3: Cross multiply
    135,038.40x = 202,557.60 × 133,070.10
  4. Step 4: Simplify right side
    135,038.40x = 26,954,360,087.76
  5. Step 5: Solve for x
    x = 26,954,360,087.76/135,038.40
  6. Step 6: Final answer
    x = 199,605.15

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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.