Home / 157,246.34-217,000.02-85,626.36

Finding the Fourth Proportional to 157,246.34, 217,000.02 and 85,626.36

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Solution

The fourth proportional to 157,246.34, 217,000.02 and 85,626.36 is: 118,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,246.34 : 217,000.02 = 85,626.36 : x
  2. Step 2: Convert to fraction form
    157,246.34/217,000.02 = 85,626.36/x
  3. Step 3: Cross multiply
    157,246.34x = 217,000.02 × 85,626.36
  4. Step 4: Simplify right side
    157,246.34x = 18,580,921,832.53
  5. Step 5: Solve for x
    x = 18,580,921,832.53/157,246.34
  6. Step 6: Final answer
    x = 118,164.42

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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.