Home / 144,126.12-216,188.40-49,357.16

Finding the Fourth Proportional to 144,126.12, 216,188.40 and 49,357.16

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Solution

The fourth proportional to 144,126.12, 216,188.40 and 49,357.16 is: 74,035.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126.12 : 216,188.40 = 49,357.16 : x
  2. Step 2: Convert to fraction form
    144,126.12/216,188.40 = 49,357.16/x
  3. Step 3: Cross multiply
    144,126.12x = 216,188.40 × 49,357.16
  4. Step 4: Simplify right side
    144,126.12x = 10,670,445,448.94
  5. Step 5: Solve for x
    x = 10,670,445,448.94/144,126.12
  6. Step 6: Final answer
    x = 74,035.47

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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.