Home / 168,434.12-232,437.66-92,981

Finding the Fourth Proportional to 168,434.12, 232,437.66 and 92,981

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Solution

The fourth proportional to 168,434.12, 232,437.66 and 92,981 is: 128,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,434.12 : 232,437.66 = 92,981 : x
  2. Step 2: Convert to fraction form
    168,434.12/232,437.66 = 92,981/x
  3. Step 3: Cross multiply
    168,434.12x = 232,437.66 × 92,981
  4. Step 4: Simplify right side
    168,434.12x = 21,612,286,064.46
  5. Step 5: Solve for x
    x = 21,612,286,064.46/168,434.12
  6. Step 6: Final answer
    x = 128,312.99

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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.