Home / 114,631.60-171,947.40-100,807.60

Finding the Fourth Proportional to 114,631.60, 171,947.40 and 100,807.60

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Solution

The fourth proportional to 114,631.60, 171,947.40 and 100,807.60 is: 151,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,631.60 : 171,947.40 = 100,807.60 : x
  2. Step 2: Convert to fraction form
    114,631.60/171,947.40 = 100,807.60/x
  3. Step 3: Cross multiply
    114,631.60x = 171,947.40 × 100,807.60
  4. Step 4: Simplify right side
    114,631.60x = 17,333,604,720.24
  5. Step 5: Solve for x
    x = 17,333,604,720.24/114,631.60
  6. Step 6: Final answer
    x = 151,211.40

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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.