Home / 156,698.90-235,048.35-133,079.30

Finding the Fourth Proportional to 156,698.90, 235,048.35 and 133,079.30

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Solution

The fourth proportional to 156,698.90, 235,048.35 and 133,079.30 is: 199,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,698.90 : 235,048.35 = 133,079.30 : x
  2. Step 2: Convert to fraction form
    156,698.90/235,048.35 = 133,079.30/x
  3. Step 3: Cross multiply
    156,698.90x = 235,048.35 × 133,079.30
  4. Step 4: Simplify right side
    156,698.90x = 31,280,069,884.16
  5. Step 5: Solve for x
    x = 31,280,069,884.16/156,698.90
  6. Step 6: Final answer
    x = 199,618.95

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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.