Home / 157,339.13-217,156.12-92,804.40

Finding the Fourth Proportional to 157,339.13, 217,156.12 and 92,804.40

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Solution

The fourth proportional to 157,339.13, 217,156.12 and 92,804.40 is: 128,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,339.13 : 217,156.12 = 92,804.40 : x
  2. Step 2: Convert to fraction form
    157,339.13/217,156.12 = 92,804.40/x
  3. Step 3: Cross multiply
    157,339.13x = 217,156.12 × 92,804.40
  4. Step 4: Simplify right side
    157,339.13x = 20,153,043,190.92
  5. Step 5: Solve for x
    x = 20,153,043,190.92/157,339.13
  6. Step 6: Final answer
    x = 128,086.66

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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.