Home / 111,140.16-153,444.96-99,182.96

Finding the Fourth Proportional to 111,140.16, 153,444.96 and 99,182.96

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Solution

The fourth proportional to 111,140.16, 153,444.96 and 99,182.96 is: 136,936.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,140.16 : 153,444.96 = 99,182.96 : x
  2. Step 2: Convert to fraction form
    111,140.16/153,444.96 = 99,182.96/x
  3. Step 3: Cross multiply
    111,140.16x = 153,444.96 × 99,182.96
  4. Step 4: Simplify right side
    111,140.16x = 15,219,125,329.88
  5. Step 5: Solve for x
    x = 15,219,125,329.88/111,140.16
  6. Step 6: Final answer
    x = 136,936.33

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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.