Home / 192,312.92-288,533.46-121,153.40

Finding the Fourth Proportional to 192,312.92, 288,533.46 and 121,153.40

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Solution

The fourth proportional to 192,312.92, 288,533.46 and 121,153.40 is: 181,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,312.92 : 288,533.46 = 121,153.40 : x
  2. Step 2: Convert to fraction form
    192,312.92/288,533.46 = 121,153.40/x
  3. Step 3: Cross multiply
    192,312.92x = 288,533.46 × 121,153.40
  4. Step 4: Simplify right side
    192,312.92x = 34,956,809,692.76
  5. Step 5: Solve for x
    x = 34,956,809,692.76/192,312.92
  6. Step 6: Final answer
    x = 181,770.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.