Home / 291,746.61-402,649.79-170,936.12

Finding the Fourth Proportional to 291,746.61, 402,649.79 and 170,936.12

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Solution

The fourth proportional to 291,746.61, 402,649.79 and 170,936.12 is: 235,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,746.61 : 402,649.79 = 170,936.12 : x
  2. Step 2: Convert to fraction form
    291,746.61/402,649.79 = 170,936.12/x
  3. Step 3: Cross multiply
    291,746.61x = 402,649.79 × 170,936.12
  4. Step 4: Simplify right side
    291,746.61x = 68,827,392,973.36
  5. Step 5: Solve for x
    x = 68,827,392,973.36/291,746.61
  6. Step 6: Final answer
    x = 235,914.97

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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.