Home / 112,160.34-154,776.96-61,859.34

Finding the Fourth Proportional to 112,160.34, 154,776.96 and 61,859.34

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Solution

The fourth proportional to 112,160.34, 154,776.96 and 61,859.34 is: 85,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,160.34 : 154,776.96 = 61,859.34 : x
  2. Step 2: Convert to fraction form
    112,160.34/154,776.96 = 61,859.34/x
  3. Step 3: Cross multiply
    112,160.34x = 154,776.96 × 61,859.34
  4. Step 4: Simplify right side
    112,160.34x = 9,574,400,592.81
  5. Step 5: Solve for x
    x = 9,574,400,592.81/112,160.34
  6. Step 6: Final answer
    x = 85,363.51

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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.