Home / 242,312.45-334,385.63-151,718.36

Finding the Fourth Proportional to 242,312.45, 334,385.63 and 151,718.36

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Solution

The fourth proportional to 242,312.45, 334,385.63 and 151,718.36 is: 209,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,312.45 : 334,385.63 = 151,718.36 : x
  2. Step 2: Convert to fraction form
    242,312.45/334,385.63 = 151,718.36/x
  3. Step 3: Cross multiply
    242,312.45x = 334,385.63 × 151,718.36
  4. Step 4: Simplify right side
    242,312.45x = 50,732,436,960.65
  5. Step 5: Solve for x
    x = 50,732,436,960.65/242,312.45
  6. Step 6: Final answer
    x = 209,367.86

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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.