Home / 183,761.28-253,590.72-103,196.64

Finding the Fourth Proportional to 183,761.28, 253,590.72 and 103,196.64

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Solution

The fourth proportional to 183,761.28, 253,590.72 and 103,196.64 is: 142,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,761.28 : 253,590.72 = 103,196.64 : x
  2. Step 2: Convert to fraction form
    183,761.28/253,590.72 = 103,196.64/x
  3. Step 3: Cross multiply
    183,761.28x = 253,590.72 × 103,196.64
  4. Step 4: Simplify right side
    183,761.28x = 26,169,710,239.18
  5. Step 5: Solve for x
    x = 26,169,710,239.18/183,761.28
  6. Step 6: Final answer
    x = 142,411.45

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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.