Home / 190,554.48-285,831.72-65,827.44

Finding the Fourth Proportional to 190,554.48, 285,831.72 and 65,827.44

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Solution

The fourth proportional to 190,554.48, 285,831.72 and 65,827.44 is: 98,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,554.48 : 285,831.72 = 65,827.44 : x
  2. Step 2: Convert to fraction form
    190,554.48/285,831.72 = 65,827.44/x
  3. Step 3: Cross multiply
    190,554.48x = 285,831.72 × 65,827.44
  4. Step 4: Simplify right side
    190,554.48x = 18,815,570,398.40
  5. Step 5: Solve for x
    x = 18,815,570,398.40/190,554.48
  6. Step 6: Final answer
    x = 98,741.16

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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.