Home / 159,019.16-238,539.78-53,802.56

Finding the Fourth Proportional to 159,019.16, 238,539.78 and 53,802.56

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Solution

The fourth proportional to 159,019.16, 238,539.78 and 53,802.56 is: 80,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,019.16 : 238,539.78 = 53,802.56 : x
  2. Step 2: Convert to fraction form
    159,019.16/238,539.78 = 53,802.56/x
  3. Step 3: Cross multiply
    159,019.16x = 238,539.78 × 53,802.56
  4. Step 4: Simplify right side
    159,019.16x = 12,834,050,825.84
  5. Step 5: Solve for x
    x = 12,834,050,825.84/159,019.16
  6. Step 6: Final answer
    x = 80,707.58

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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.