Home / 217,586.64-326,117.52-112,348.20

Finding the Fourth Proportional to 217,586.64, 326,117.52 and 112,348.20

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Solution

The fourth proportional to 217,586.64, 326,117.52 and 112,348.20 is: 168,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,586.64 : 326,117.52 = 112,348.20 : x
  2. Step 2: Convert to fraction form
    217,586.64/326,117.52 = 112,348.20/x
  3. Step 3: Cross multiply
    217,586.64x = 326,117.52 × 112,348.20
  4. Step 4: Simplify right side
    217,586.64x = 36,638,716,360.46
  5. Step 5: Solve for x
    x = 36,638,716,360.46/217,586.64
  6. Step 6: Final answer
    x = 168,386.79

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1.5x scale

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.