Home / 144,875.60-217,313.40-74,016.80

Finding the Fourth Proportional to 144,875.60, 217,313.40 and 74,016.80

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Solution

The fourth proportional to 144,875.60, 217,313.40 and 74,016.80 is: 111,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,875.60 : 217,313.40 = 74,016.80 : x
  2. Step 2: Convert to fraction form
    144,875.60/217,313.40 = 74,016.80/x
  3. Step 3: Cross multiply
    144,875.60x = 217,313.40 × 74,016.80
  4. Step 4: Simplify right side
    144,875.60x = 16,084,842,465.12
  5. Step 5: Solve for x
    x = 16,084,842,465.12/144,875.60
  6. Step 6: Final answer
    x = 111,025.20

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1.5x scale

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.