Home / 212,565.60-293,342.40-117,075.60

Finding the Fourth Proportional to 212,565.60, 293,342.40 and 117,075.60

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Solution

The fourth proportional to 212,565.60, 293,342.40 and 117,075.60 is: 161,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,565.60 : 293,342.40 = 117,075.60 : x
  2. Step 2: Convert to fraction form
    212,565.60/293,342.40 = 117,075.60/x
  3. Step 3: Cross multiply
    212,565.60x = 293,342.40 × 117,075.60
  4. Step 4: Simplify right side
    212,565.60x = 34,343,237,485.44
  5. Step 5: Solve for x
    x = 34,343,237,485.44/212,565.60
  6. Step 6: Final answer
    x = 161,565.36

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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.