Home / 270,717.28-373,598.69-155,987.05

Finding the Fourth Proportional to 270,717.28, 373,598.69 and 155,987.05

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Solution

The fourth proportional to 270,717.28, 373,598.69 and 155,987.05 is: 215,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,717.28 : 373,598.69 = 155,987.05 : x
  2. Step 2: Convert to fraction form
    270,717.28/373,598.69 = 155,987.05/x
  3. Step 3: Cross multiply
    270,717.28x = 373,598.69 × 155,987.05
  4. Step 4: Simplify right side
    270,717.28x = 58,276,557,536.96
  5. Step 5: Solve for x
    x = 58,276,557,536.96/270,717.28
  6. Step 6: Final answer
    x = 215,267.22

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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.