Home / 157,568.90-217,437.09-85,948.34

Finding the Fourth Proportional to 157,568.90, 217,437.09 and 85,948.34

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Solution

The fourth proportional to 157,568.90, 217,437.09 and 85,948.34 is: 118,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,568.90 : 217,437.09 = 85,948.34 : x
  2. Step 2: Convert to fraction form
    157,568.90/217,437.09 = 85,948.34/x
  3. Step 3: Cross multiply
    157,568.90x = 217,437.09 × 85,948.34
  4. Step 4: Simplify right side
    157,568.90x = 18,688,356,939.93
  5. Step 5: Solve for x
    x = 18,688,356,939.93/157,568.90
  6. Step 6: Final answer
    x = 118,604.35

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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.