Home / 152,050.74-209,830.65-83,141.64

Finding the Fourth Proportional to 152,050.74, 209,830.65 and 83,141.64

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Solution

The fourth proportional to 152,050.74, 209,830.65 and 83,141.64 is: 114,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,050.74 : 209,830.65 = 83,141.64 : x
  2. Step 2: Convert to fraction form
    152,050.74/209,830.65 = 83,141.64/x
  3. Step 3: Cross multiply
    152,050.74x = 209,830.65 × 83,141.64
  4. Step 4: Simplify right side
    152,050.74x = 17,445,664,519.16
  5. Step 5: Solve for x
    x = 17,445,664,519.16/152,050.74
  6. Step 6: Final answer
    x = 114,735.80

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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.