Home / 156,431.64-216,053.85-106,043.16

Finding the Fourth Proportional to 156,431.64, 216,053.85 and 106,043.16

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Solution

The fourth proportional to 156,431.64, 216,053.85 and 106,043.16 is: 146,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,431.64 : 216,053.85 = 106,043.16 : x
  2. Step 2: Convert to fraction form
    156,431.64/216,053.85 = 106,043.16/x
  3. Step 3: Cross multiply
    156,431.64x = 216,053.85 × 106,043.16
  4. Step 4: Simplify right side
    156,431.64x = 22,911,032,984.17
  5. Step 5: Solve for x
    x = 22,911,032,984.17/156,431.64
  6. Step 6: Final answer
    x = 146,460.35

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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.