Home / 123,475.04-185,211.76-29,980.16

Finding the Fourth Proportional to 123,475.04, 185,211.76 and 29,980.16

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Solution

The fourth proportional to 123,475.04, 185,211.76 and 29,980.16 is: 44,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.04 : 185,211.76 = 29,980.16 : x
  2. Step 2: Convert to fraction form
    123,475.04/185,211.76 = 29,980.16/x
  3. Step 3: Cross multiply
    123,475.04x = 185,211.76 × 29,980.16
  4. Step 4: Simplify right side
    123,475.04x = 5,552,678,198.68
  5. Step 5: Solve for x
    x = 5,552,678,198.68/123,475.04
  6. Step 6: Final answer
    x = 44,970.05

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1.5x scale

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.