Home / 202,205.58-279,041.85-111,562.35

Finding the Fourth Proportional to 202,205.58, 279,041.85 and 111,562.35

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Solution

The fourth proportional to 202,205.58, 279,041.85 and 111,562.35 is: 153,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,205.58 : 279,041.85 = 111,562.35 : x
  2. Step 2: Convert to fraction form
    202,205.58/279,041.85 = 111,562.35/x
  3. Step 3: Cross multiply
    202,205.58x = 279,041.85 × 111,562.35
  4. Step 4: Simplify right side
    202,205.58x = 31,130,564,534.35
  5. Step 5: Solve for x
    x = 31,130,564,534.35/202,205.58
  6. Step 6: Final answer
    x = 153,955.02

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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.