Home / 156,916.53-216,549.54-88,933.64

Finding the Fourth Proportional to 156,916.53, 216,549.54 and 88,933.64

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Solution

The fourth proportional to 156,916.53, 216,549.54 and 88,933.64 is: 122,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.53 : 216,549.54 = 88,933.64 : x
  2. Step 2: Convert to fraction form
    156,916.53/216,549.54 = 88,933.64/x
  3. Step 3: Cross multiply
    156,916.53x = 216,549.54 × 88,933.64
  4. Step 4: Simplify right side
    156,916.53x = 19,258,537,749.78
  5. Step 5: Solve for x
    x = 19,258,537,749.78/156,916.53
  6. Step 6: Final answer
    x = 122,731.10

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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.