Home / 229,731.99-316,983.69-134,220.24

Finding the Fourth Proportional to 229,731.99, 316,983.69 and 134,220.24

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Solution

The fourth proportional to 229,731.99, 316,983.69 and 134,220.24 is: 185,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,731.99 : 316,983.69 = 134,220.24 : x
  2. Step 2: Convert to fraction form
    229,731.99/316,983.69 = 134,220.24/x
  3. Step 3: Cross multiply
    229,731.99x = 316,983.69 × 134,220.24
  4. Step 4: Simplify right side
    229,731.99x = 42,545,626,947.89
  5. Step 5: Solve for x
    x = 42,545,626,947.89/229,731.99
  6. Step 6: Final answer
    x = 185,196.79

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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.