Home / 291,068.04-401,672.34-163,744.44

Finding the Fourth Proportional to 291,068.04, 401,672.34 and 163,744.44

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Solution

The fourth proportional to 291,068.04, 401,672.34 and 163,744.44 is: 225,966.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,068.04 : 401,672.34 = 163,744.44 : x
  2. Step 2: Convert to fraction form
    291,068.04/401,672.34 = 163,744.44/x
  3. Step 3: Cross multiply
    291,068.04x = 401,672.34 × 163,744.44
  4. Step 4: Simplify right side
    291,068.04x = 65,771,612,376.79
  5. Step 5: Solve for x
    x = 65,771,612,376.79/291,068.04
  6. Step 6: Final answer
    x = 225,966.45

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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.