Home / 132,507.37-182,907.65-78,792.22

Finding the Fourth Proportional to 132,507.37, 182,907.65 and 78,792.22

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Solution

The fourth proportional to 132,507.37, 182,907.65 and 78,792.22 is: 108,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,507.37 : 182,907.65 = 78,792.22 : x
  2. Step 2: Convert to fraction form
    132,507.37/182,907.65 = 78,792.22/x
  3. Step 3: Cross multiply
    132,507.37x = 182,907.65 × 78,792.22
  4. Step 4: Simplify right side
    132,507.37x = 14,411,699,798.48
  5. Step 5: Solve for x
    x = 14,411,699,798.48/132,507.37
  6. Step 6: Final answer
    x = 108,761.50

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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.