Home / 134,784.10-202,176.15-123,411.70

Finding the Fourth Proportional to 134,784.10, 202,176.15 and 123,411.70

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Solution

The fourth proportional to 134,784.10, 202,176.15 and 123,411.70 is: 185,117.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.10 : 202,176.15 = 123,411.70 : x
  2. Step 2: Convert to fraction form
    134,784.10/202,176.15 = 123,411.70/x
  3. Step 3: Cross multiply
    134,784.10x = 202,176.15 × 123,411.70
  4. Step 4: Simplify right side
    134,784.10x = 24,950,902,370.96
  5. Step 5: Solve for x
    x = 24,950,902,370.96/134,784.10
  6. Step 6: Final answer
    x = 185,117.55

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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.