Home / 212,776.72-293,629.95-115,980.55

Finding the Fourth Proportional to 212,776.72, 293,629.95 and 115,980.55

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Solution

The fourth proportional to 212,776.72, 293,629.95 and 115,980.55 is: 160,052.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,776.72 : 293,629.95 = 115,980.55 : x
  2. Step 2: Convert to fraction form
    212,776.72/293,629.95 = 115,980.55/x
  3. Step 3: Cross multiply
    212,776.72x = 293,629.95 × 115,980.55
  4. Step 4: Simplify right side
    212,776.72x = 34,055,362,363.40
  5. Step 5: Solve for x
    x = 34,055,362,363.40/212,776.72
  6. Step 6: Final answer
    x = 160,052.11

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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.