Home / 291,070.32-401,616.45-170,188.14

Finding the Fourth Proportional to 291,070.32, 401,616.45 and 170,188.14

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Solution

The fourth proportional to 291,070.32, 401,616.45 and 170,188.14 is: 234,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,070.32 : 401,616.45 = 170,188.14 : x
  2. Step 2: Convert to fraction form
    291,070.32/401,616.45 = 170,188.14/x
  3. Step 3: Cross multiply
    291,070.32x = 401,616.45 × 170,188.14
  4. Step 4: Simplify right side
    291,070.32x = 68,350,356,618.90
  5. Step 5: Solve for x
    x = 68,350,356,618.90/291,070.32
  6. Step 6: Final answer
    x = 234,824.21

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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.