Home / 212,021.80-292,592.64-116,527.84

Finding the Fourth Proportional to 212,021.80, 292,592.64 and 116,527.84

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Solution

The fourth proportional to 212,021.80, 292,592.64 and 116,527.84 is: 160,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,021.80 : 292,592.64 = 116,527.84 : x
  2. Step 2: Convert to fraction form
    212,021.80/292,592.64 = 116,527.84/x
  3. Step 3: Cross multiply
    212,021.80x = 292,592.64 × 116,527.84
  4. Step 4: Simplify right side
    212,021.80x = 34,095,188,339.10
  5. Step 5: Solve for x
    x = 34,095,188,339.10/212,021.80
  6. Step 6: Final answer
    x = 160,809.82

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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.