Home / 235,831.36-325,439.76-140,316.16

Finding the Fourth Proportional to 235,831.36, 325,439.76 and 140,316.16

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Solution

The fourth proportional to 235,831.36, 325,439.76 and 140,316.16 is: 193,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,831.36 : 325,439.76 = 140,316.16 : x
  2. Step 2: Convert to fraction form
    235,831.36/325,439.76 = 140,316.16/x
  3. Step 3: Cross multiply
    235,831.36x = 325,439.76 × 140,316.16
  4. Step 4: Simplify right side
    235,831.36x = 45,664,457,434.52
  5. Step 5: Solve for x
    x = 45,664,457,434.52/235,831.36
  6. Step 6: Final answer
    x = 193,631.83

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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.