Home / 435,831.60-653,844.60-169,568.40

Finding the Fourth Proportional to 435,831.60, 653,844.60 and 169,568.40

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Solution

The fourth proportional to 435,831.60, 653,844.60 and 169,568.40 is: 254,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,831.60 : 653,844.60 = 169,568.40 : x
  2. Step 2: Convert to fraction form
    435,831.60/653,844.60 = 169,568.40/x
  3. Step 3: Cross multiply
    435,831.60x = 653,844.60 × 169,568.40
  4. Step 4: Simplify right side
    435,831.60x = 110,871,382,670.64
  5. Step 5: Solve for x
    x = 110,871,382,670.64/435,831.60
  6. Step 6: Final answer
    x = 254,390.42

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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.