Home / 114,258.81-171,386.40-31,152.81

Finding the Fourth Proportional to 114,258.81, 171,386.40 and 31,152.81

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Solution

The fourth proportional to 114,258.81, 171,386.40 and 31,152.81 is: 46,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,258.81 : 171,386.40 = 31,152.81 : x
  2. Step 2: Convert to fraction form
    114,258.81/171,386.40 = 31,152.81/x
  3. Step 3: Cross multiply
    114,258.81x = 171,386.40 × 31,152.81
  4. Step 4: Simplify right side
    114,258.81x = 5,339,167,955.78
  5. Step 5: Solve for x
    x = 5,339,167,955.78/114,258.81
  6. Step 6: Final answer
    x = 46,728.72

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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.