Home / 157,669.55-217,486.68-112,362.05

Finding the Fourth Proportional to 157,669.55, 217,486.68 and 112,362.05

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Solution

The fourth proportional to 157,669.55, 217,486.68 and 112,362.05 is: 154,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,669.55 : 217,486.68 = 112,362.05 : x
  2. Step 2: Convert to fraction form
    157,669.55/217,486.68 = 112,362.05/x
  3. Step 3: Cross multiply
    157,669.55x = 217,486.68 × 112,362.05
  4. Step 4: Simplify right side
    157,669.55x = 24,437,249,212.49
  5. Step 5: Solve for x
    x = 24,437,249,212.49/157,669.55
  6. Step 6: Final answer
    x = 154,990.29

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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.