Home / 156,686.08-216,260.88-96,288.40

Finding the Fourth Proportional to 156,686.08, 216,260.88 and 96,288.40

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Solution

The fourth proportional to 156,686.08, 216,260.88 and 96,288.40 is: 132,898.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686.08 : 216,260.88 = 96,288.40 : x
  2. Step 2: Convert to fraction form
    156,686.08/216,260.88 = 96,288.40/x
  3. Step 3: Cross multiply
    156,686.08x = 216,260.88 × 96,288.40
  4. Step 4: Simplify right side
    156,686.08x = 20,823,414,117.79
  5. Step 5: Solve for x
    x = 20,823,414,117.79/156,686.08
  6. Step 6: Final answer
    x = 132,898.94

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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.