Home / 291,965.03-402,950.40-171,153.80

Finding the Fourth Proportional to 291,965.03, 402,950.40 and 171,153.80

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Solution

The fourth proportional to 291,965.03, 402,950.40 and 171,153.80 is: 236,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,965.03 : 402,950.40 = 171,153.80 : x
  2. Step 2: Convert to fraction form
    291,965.03/402,950.40 = 171,153.80/x
  3. Step 3: Cross multiply
    291,965.03x = 402,950.40 × 171,153.80
  4. Step 4: Simplify right side
    291,965.03x = 68,966,492,171.52
  5. Step 5: Solve for x
    x = 68,966,492,171.52/291,965.03
  6. Step 6: Final answer
    x = 236,214.91

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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.