Home / 291,050.16-401,645.04-163,725.84

Finding the Fourth Proportional to 291,050.16, 401,645.04 and 163,725.84

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Solution

The fourth proportional to 291,050.16, 401,645.04 and 163,725.84 is: 225,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,050.16 : 401,645.04 = 163,725.84 : x
  2. Step 2: Convert to fraction form
    291,050.16/401,645.04 = 163,725.84/x
  3. Step 3: Cross multiply
    291,050.16x = 401,645.04 × 163,725.84
  4. Step 4: Simplify right side
    291,050.16x = 65,759,671,555.83
  5. Step 5: Solve for x
    x = 65,759,671,555.83/291,050.16
  6. Step 6: Final answer
    x = 225,939.31

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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.