Home / 103,684.08-154,456.04-100,547.86

Finding the Fourth Proportional to 103,684.08, 154,456.04 and 100,547.86

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Solution

The fourth proportional to 103,684.08, 154,456.04 and 100,547.86 is: 149,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,684.08 : 154,456.04 = 100,547.86 : x
  2. Step 2: Convert to fraction form
    103,684.08/154,456.04 = 100,547.86/x
  3. Step 3: Cross multiply
    103,684.08x = 154,456.04 × 100,547.86
  4. Step 4: Simplify right side
    103,684.08x = 15,530,224,286.07
  5. Step 5: Solve for x
    x = 15,530,224,286.07/103,684.08
  6. Step 6: Final answer
    x = 149,784.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.