Home / 157,224.11-216,969.52-85,604.41

Finding the Fourth Proportional to 157,224.11, 216,969.52 and 85,604.41

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Solution

The fourth proportional to 157,224.11, 216,969.52 and 85,604.41 is: 118,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,224.11 : 216,969.52 = 85,604.41 : x
  2. Step 2: Convert to fraction form
    157,224.11/216,969.52 = 85,604.41/x
  3. Step 3: Cross multiply
    157,224.11x = 216,969.52 × 85,604.41
  4. Step 4: Simplify right side
    157,224.11x = 18,573,547,965.29
  5. Step 5: Solve for x
    x = 18,573,547,965.29/157,224.11
  6. Step 6: Final answer
    x = 118,134.23

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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.