Home / 291,154.64-401,799.54-163,830.24

Finding the Fourth Proportional to 291,154.64, 401,799.54 and 163,830.24

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Solution

The fourth proportional to 291,154.64, 401,799.54 and 163,830.24 is: 226,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,154.64 : 401,799.54 = 163,830.24 : x
  2. Step 2: Convert to fraction form
    291,154.64/401,799.54 = 163,830.24/x
  3. Step 3: Cross multiply
    291,154.64x = 401,799.54 × 163,830.24
  4. Step 4: Simplify right side
    291,154.64x = 65,826,915,070.09
  5. Step 5: Solve for x
    x = 65,826,915,070.09/291,154.64
  6. Step 6: Final answer
    x = 226,089.18

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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.