Home / 103,516.10-155,274.15-96,955.10

Finding the Fourth Proportional to 103,516.10, 155,274.15 and 96,955.10

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Solution

The fourth proportional to 103,516.10, 155,274.15 and 96,955.10 is: 145,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,516.10 : 155,274.15 = 96,955.10 : x
  2. Step 2: Convert to fraction form
    103,516.10/155,274.15 = 96,955.10/x
  3. Step 3: Cross multiply
    103,516.10x = 155,274.15 × 96,955.10
  4. Step 4: Simplify right side
    103,516.10x = 15,054,620,740.67
  5. Step 5: Solve for x
    x = 15,054,620,740.67/103,516.10
  6. Step 6: Final answer
    x = 145,432.65

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1.5x scale

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.