Home / 111,449.92-153,804.16-61,152.32

Finding the Fourth Proportional to 111,449.92, 153,804.16 and 61,152.32

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Solution

The fourth proportional to 111,449.92, 153,804.16 and 61,152.32 is: 84,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,449.92 : 153,804.16 = 61,152.32 : x
  2. Step 2: Convert to fraction form
    111,449.92/153,804.16 = 61,152.32/x
  3. Step 3: Cross multiply
    111,449.92x = 153,804.16 × 61,152.32
  4. Step 4: Simplify right side
    111,449.92x = 9,405,481,209.65
  5. Step 5: Solve for x
    x = 9,405,481,209.65/111,449.92
  6. Step 6: Final answer
    x = 84,392.00

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1.5x scale

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.