Home / 156,075.10-233,784.60-129,831.10

Finding the Fourth Proportional to 156,075.10, 233,784.60 and 129,831.10

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Solution

The fourth proportional to 156,075.10, 233,784.60 and 129,831.10 is: 194,473.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,075.10 : 233,784.60 = 129,831.10 : x
  2. Step 2: Convert to fraction form
    156,075.10/233,784.60 = 129,831.10/x
  3. Step 3: Cross multiply
    156,075.10x = 233,784.60 × 129,831.10
  4. Step 4: Simplify right side
    156,075.10x = 30,352,511,781.06
  5. Step 5: Solve for x
    x = 30,352,511,781.06/156,075.10
  6. Step 6: Final answer
    x = 194,473.76

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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.