Home / 395,191.46-592,784.75-128,952.16

Finding the Fourth Proportional to 395,191.46, 592,784.75 and 128,952.16

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Solution

The fourth proportional to 395,191.46, 592,784.75 and 128,952.16 is: 193,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,191.46 : 592,784.75 = 128,952.16 : x
  2. Step 2: Convert to fraction form
    395,191.46/592,784.75 = 128,952.16/x
  3. Step 3: Cross multiply
    395,191.46x = 592,784.75 × 128,952.16
  4. Step 4: Simplify right side
    395,191.46x = 76,440,872,767.98
  5. Step 5: Solve for x
    x = 76,440,872,767.98/395,191.46
  6. Step 6: Final answer
    x = 193,427.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.