Home / 152,411.08-228,612.30-52,569.40

Finding the Fourth Proportional to 152,411.08, 228,612.30 and 52,569.40

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Solution

The fourth proportional to 152,411.08, 228,612.30 and 52,569.40 is: 78,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,411.08 : 228,612.30 = 52,569.40 : x
  2. Step 2: Convert to fraction form
    152,411.08/228,612.30 = 52,569.40/x
  3. Step 3: Cross multiply
    152,411.08x = 228,612.30 × 52,569.40
  4. Step 4: Simplify right side
    152,411.08x = 12,018,011,443.62
  5. Step 5: Solve for x
    x = 12,018,011,443.62/152,411.08
  6. Step 6: Final answer
    x = 78,852.61

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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.