Home / 135,096.18-202,643.96-126,875.45

Finding the Fourth Proportional to 135,096.18, 202,643.96 and 126,875.45

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Solution

The fourth proportional to 135,096.18, 202,643.96 and 126,875.45 is: 190,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,096.18 : 202,643.96 = 126,875.45 : x
  2. Step 2: Convert to fraction form
    135,096.18/202,643.96 = 126,875.45/x
  3. Step 3: Cross multiply
    135,096.18x = 202,643.96 × 126,875.45
  4. Step 4: Simplify right side
    135,096.18x = 25,710,541,967.19
  5. Step 5: Solve for x
    x = 25,710,541,967.19/135,096.18
  6. Step 6: Final answer
    x = 190,312.87

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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.