Home / 134,916.40-202,423.20-130,056.40

Finding the Fourth Proportional to 134,916.40, 202,423.20 and 130,056.40

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Solution

The fourth proportional to 134,916.40, 202,423.20 and 130,056.40 is: 195,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,916.40 : 202,423.20 = 130,056.40 : x
  2. Step 2: Convert to fraction form
    134,916.40/202,423.20 = 130,056.40/x
  3. Step 3: Cross multiply
    134,916.40x = 202,423.20 × 130,056.40
  4. Step 4: Simplify right side
    134,916.40x = 26,326,432,668.48
  5. Step 5: Solve for x
    x = 26,326,432,668.48/134,916.40
  6. Step 6: Final answer
    x = 195,131.45

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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.