Home / 190,117.48-285,693.18-101,433.64

Finding the Fourth Proportional to 190,117.48, 285,693.18 and 101,433.64

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Solution

The fourth proportional to 190,117.48, 285,693.18 and 101,433.64 is: 152,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,117.48 : 285,693.18 = 101,433.64 : x
  2. Step 2: Convert to fraction form
    190,117.48/285,693.18 = 101,433.64/x
  3. Step 3: Cross multiply
    190,117.48x = 285,693.18 × 101,433.64
  4. Step 4: Simplify right side
    190,117.48x = 28,978,899,170.58
  5. Step 5: Solve for x
    x = 28,978,899,170.58/190,117.48
  6. Step 6: Final answer
    x = 152,426.27

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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.