Home / 133,547.04-200,330.93-38,778.78

Finding the Fourth Proportional to 133,547.04, 200,330.93 and 38,778.78

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Solution

The fourth proportional to 133,547.04, 200,330.93 and 38,778.78 is: 58,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,547.04 : 200,330.93 = 38,778.78 : x
  2. Step 2: Convert to fraction form
    133,547.04/200,330.93 = 38,778.78/x
  3. Step 3: Cross multiply
    133,547.04x = 200,330.93 × 38,778.78
  4. Step 4: Simplify right side
    133,547.04x = 7,768,589,417.07
  5. Step 5: Solve for x
    x = 7,768,589,417.07/133,547.04
  6. Step 6: Final answer
    x = 58,171.19

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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.