Home / 111,338.34-153,656.58-61,047.06

Finding the Fourth Proportional to 111,338.34, 153,656.58 and 61,047.06

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Solution

The fourth proportional to 111,338.34, 153,656.58 and 61,047.06 is: 84,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,338.34 : 153,656.58 = 61,047.06 : x
  2. Step 2: Convert to fraction form
    111,338.34/153,656.58 = 61,047.06/x
  3. Step 3: Cross multiply
    111,338.34x = 153,656.58 × 61,047.06
  4. Step 4: Simplify right side
    111,338.34x = 9,380,282,458.65
  5. Step 5: Solve for x
    x = 9,380,282,458.65/111,338.34
  6. Step 6: Final answer
    x = 84,250.25

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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.