Home / 156,629.46-216,148.98-92,980.02

Finding the Fourth Proportional to 156,629.46, 216,148.98 and 92,980.02

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Solution

The fourth proportional to 156,629.46, 216,148.98 and 92,980.02 is: 128,312.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629.46 : 216,148.98 = 92,980.02 : x
  2. Step 2: Convert to fraction form
    156,629.46/216,148.98 = 92,980.02/x
  3. Step 3: Cross multiply
    156,629.46x = 216,148.98 × 92,980.02
  4. Step 4: Simplify right side
    156,629.46x = 20,097,536,483.38
  5. Step 5: Solve for x
    x = 20,097,536,483.38/156,629.46
  6. Step 6: Final answer
    x = 128,312.62

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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.