Home / 286,656.18-395,589.95-157,600.24

Finding the Fourth Proportional to 286,656.18, 395,589.95 and 157,600.24

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Solution

The fourth proportional to 286,656.18, 395,589.95 and 157,600.24 is: 217,490.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,656.18 : 395,589.95 = 157,600.24 : x
  2. Step 2: Convert to fraction form
    286,656.18/395,589.95 = 157,600.24/x
  3. Step 3: Cross multiply
    286,656.18x = 395,589.95 × 157,600.24
  4. Step 4: Simplify right side
    286,656.18x = 62,345,071,061.59
  5. Step 5: Solve for x
    x = 62,345,071,061.59/286,656.18
  6. Step 6: Final answer
    x = 217,490.76

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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.