Home / 156,681.10-235,021.65-119,356.30

Finding the Fourth Proportional to 156,681.10, 235,021.65 and 119,356.30

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Solution

The fourth proportional to 156,681.10, 235,021.65 and 119,356.30 is: 179,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,681.10 : 235,021.65 = 119,356.30 : x
  2. Step 2: Convert to fraction form
    156,681.10/235,021.65 = 119,356.30/x
  3. Step 3: Cross multiply
    156,681.10x = 235,021.65 × 119,356.30
  4. Step 4: Simplify right side
    156,681.10x = 28,051,314,563.90
  5. Step 5: Solve for x
    x = 28,051,314,563.90/156,681.10
  6. Step 6: Final answer
    x = 179,034.45

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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.