Home / 144,287.12-216,441.54-43,077.17

Finding the Fourth Proportional to 144,287.12, 216,441.54 and 43,077.17

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Solution

The fourth proportional to 144,287.12, 216,441.54 and 43,077.17 is: 64,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,287.12 : 216,441.54 = 43,077.17 : x
  2. Step 2: Convert to fraction form
    144,287.12/216,441.54 = 43,077.17/x
  3. Step 3: Cross multiply
    144,287.12x = 216,441.54 × 43,077.17
  4. Step 4: Simplify right side
    144,287.12x = 9,323,687,931.43
  5. Step 5: Solve for x
    x = 9,323,687,931.43/144,287.12
  6. Step 6: Final answer
    x = 64,618.99

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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.