Home / 263,159.18-363,159.39-142,300.16

Finding the Fourth Proportional to 263,159.18, 363,159.39 and 142,300.16

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Solution

The fourth proportional to 263,159.18, 363,159.39 and 142,300.16 is: 196,374.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,159.18 : 363,159.39 = 142,300.16 : x
  2. Step 2: Convert to fraction form
    263,159.18/363,159.39 = 142,300.16/x
  3. Step 3: Cross multiply
    263,159.18x = 363,159.39 × 142,300.16
  4. Step 4: Simplify right side
    263,159.18x = 51,677,639,302.50
  5. Step 5: Solve for x
    x = 51,677,639,302.50/263,159.18
  6. Step 6: Final answer
    x = 196,374.07

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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.