Home / 147,813.12-204,030.72-117,653.76

Finding the Fourth Proportional to 147,813.12, 204,030.72 and 117,653.76

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Solution

The fourth proportional to 147,813.12, 204,030.72 and 117,653.76 is: 162,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,813.12 : 204,030.72 = 117,653.76 : x
  2. Step 2: Convert to fraction form
    147,813.12/204,030.72 = 117,653.76/x
  3. Step 3: Cross multiply
    147,813.12x = 204,030.72 × 117,653.76
  4. Step 4: Simplify right side
    147,813.12x = 24,004,981,363.51
  5. Step 5: Solve for x
    x = 24,004,981,363.51/147,813.12
  6. Step 6: Final answer
    x = 162,400.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.