Home / 142,598.44-214,107.93-79,541.76

Finding the Fourth Proportional to 142,598.44, 214,107.93 and 79,541.76

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Solution

The fourth proportional to 142,598.44, 214,107.93 and 79,541.76 is: 119,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,598.44 : 214,107.93 = 79,541.76 : x
  2. Step 2: Convert to fraction form
    142,598.44/214,107.93 = 79,541.76/x
  3. Step 3: Cross multiply
    142,598.44x = 214,107.93 × 79,541.76
  4. Step 4: Simplify right side
    142,598.44x = 17,030,521,582.16
  5. Step 5: Solve for x
    x = 17,030,521,582.16/142,598.44
  6. Step 6: Final answer
    x = 119,429.93

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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.