Home / 440,154.95-659,984.56-140,565.11

Finding the Fourth Proportional to 440,154.95, 659,984.56 and 140,565.11

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Solution

The fourth proportional to 440,154.95, 659,984.56 and 140,565.11 is: 210,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,154.95 : 659,984.56 = 140,565.11 : x
  2. Step 2: Convert to fraction form
    440,154.95/659,984.56 = 140,565.11/x
  3. Step 3: Cross multiply
    440,154.95x = 659,984.56 × 140,565.11
  4. Step 4: Simplify right side
    440,154.95x = 92,770,798,623.37
  5. Step 5: Solve for x
    x = 92,770,798,623.37/440,154.95
  6. Step 6: Final answer
    x = 210,768.50

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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.