Home / 156,433.64-216,056.61-106,045.16

Finding the Fourth Proportional to 156,433.64, 216,056.61 and 106,045.16

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Solution

The fourth proportional to 156,433.64, 216,056.61 and 106,045.16 is: 146,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,433.64 : 216,056.61 = 106,045.16 : x
  2. Step 2: Convert to fraction form
    156,433.64/216,056.61 = 106,045.16/x
  3. Step 3: Cross multiply
    156,433.64x = 216,056.61 × 106,045.16
  4. Step 4: Simplify right side
    156,433.64x = 22,911,757,776.51
  5. Step 5: Solve for x
    x = 22,911,757,776.51/156,433.64
  6. Step 6: Final answer
    x = 146,463.11

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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.