Home / 354,547.56-531,825.99-117,890.25

Finding the Fourth Proportional to 354,547.56, 531,825.99 and 117,890.25

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Solution

The fourth proportional to 354,547.56, 531,825.99 and 117,890.25 is: 176,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547.56 : 531,825.99 = 117,890.25 : x
  2. Step 2: Convert to fraction form
    354,547.56/531,825.99 = 117,890.25/x
  3. Step 3: Cross multiply
    354,547.56x = 531,825.99 × 117,890.25
  4. Step 4: Simplify right side
    354,547.56x = 62,697,098,917.60
  5. Step 5: Solve for x
    x = 62,697,098,917.60/354,547.56
  6. Step 6: Final answer
    x = 176,836.92

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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.