Home / 131,319.12-181,002.08-93,029.52

Finding the Fourth Proportional to 131,319.12, 181,002.08 and 93,029.52

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Solution

The fourth proportional to 131,319.12, 181,002.08 and 93,029.52 is: 128,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,319.12 : 181,002.08 = 93,029.52 : x
  2. Step 2: Convert to fraction form
    131,319.12/181,002.08 = 93,029.52/x
  3. Step 3: Cross multiply
    131,319.12x = 181,002.08 × 93,029.52
  4. Step 4: Simplify right side
    131,319.12x = 16,838,536,621.40
  5. Step 5: Solve for x
    x = 16,838,536,621.40/131,319.12
  6. Step 6: Final answer
    x = 128,226.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.