Home / 192,312.17-288,532.34-121,152.65

Finding the Fourth Proportional to 192,312.17, 288,532.34 and 121,152.65

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Solution

The fourth proportional to 192,312.17, 288,532.34 and 121,152.65 is: 181,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,312.17 : 288,532.34 = 121,152.65 : x
  2. Step 2: Convert to fraction form
    192,312.17/288,532.34 = 121,152.65/x
  3. Step 3: Cross multiply
    192,312.17x = 288,532.34 × 121,152.65
  4. Step 4: Simplify right side
    192,312.17x = 34,956,456,995.94
  5. Step 5: Solve for x
    x = 34,956,456,995.94/192,312.17
  6. Step 6: Final answer
    x = 181,769.35

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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.