Home / 157,461.15-217,230.93-92,904.75

Finding the Fourth Proportional to 157,461.15, 217,230.93 and 92,904.75

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Solution

The fourth proportional to 157,461.15, 217,230.93 and 92,904.75 is: 128,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,461.15 : 217,230.93 = 92,904.75 : x
  2. Step 2: Convert to fraction form
    157,461.15/217,230.93 = 92,904.75/x
  3. Step 3: Cross multiply
    157,461.15x = 217,230.93 × 92,904.75
  4. Step 4: Simplify right side
    157,461.15x = 20,181,785,243.92
  5. Step 5: Solve for x
    x = 20,181,785,243.92/157,461.15
  6. Step 6: Final answer
    x = 128,169.93

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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.