Home / 144,276.18-217,399.08-118,557.06

Finding the Fourth Proportional to 144,276.18, 217,399.08 and 118,557.06

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Solution

The fourth proportional to 144,276.18, 217,399.08 and 118,557.06 is: 178,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,276.18 : 217,399.08 = 118,557.06 : x
  2. Step 2: Convert to fraction form
    144,276.18/217,399.08 = 118,557.06/x
  3. Step 3: Cross multiply
    144,276.18x = 217,399.08 × 118,557.06
  4. Step 4: Simplify right side
    144,276.18x = 25,774,195,771.50
  5. Step 5: Solve for x
    x = 25,774,195,771.50/144,276.18
  6. Step 6: Final answer
    x = 178,644.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.