Home / 157,895.41-217,895.72-85,298.33

Finding the Fourth Proportional to 157,895.41, 217,895.72 and 85,298.33

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Solution

The fourth proportional to 157,895.41, 217,895.72 and 85,298.33 is: 117,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,895.41 : 217,895.72 = 85,298.33 : x
  2. Step 2: Convert to fraction form
    157,895.41/217,895.72 = 85,298.33/x
  3. Step 3: Cross multiply
    157,895.41x = 217,895.72 × 85,298.33
  4. Step 4: Simplify right side
    157,895.41x = 18,586,141,030.15
  5. Step 5: Solve for x
    x = 18,586,141,030.15/157,895.41
  6. Step 6: Final answer
    x = 117,711.72

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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.