Home / 156,541.95-216,027.79-84,921.98

Finding the Fourth Proportional to 156,541.95, 216,027.79 and 84,921.98

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Solution

The fourth proportional to 156,541.95, 216,027.79 and 84,921.98 is: 117,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,541.95 : 216,027.79 = 84,921.98 : x
  2. Step 2: Convert to fraction form
    156,541.95/216,027.79 = 84,921.98/x
  3. Step 3: Cross multiply
    156,541.95x = 216,027.79 × 84,921.98
  4. Step 4: Simplify right side
    156,541.95x = 18,345,506,369.38
  5. Step 5: Solve for x
    x = 18,345,506,369.38/156,541.95
  6. Step 6: Final answer
    x = 117,192.27

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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.