Home / 112,277.17-154,938.58-66,931.75

Finding the Fourth Proportional to 112,277.17, 154,938.58 and 66,931.75

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Solution

The fourth proportional to 112,277.17, 154,938.58 and 66,931.75 is: 92,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,277.17 : 154,938.58 = 66,931.75 : x
  2. Step 2: Convert to fraction form
    112,277.17/154,938.58 = 66,931.75/x
  3. Step 3: Cross multiply
    112,277.17x = 154,938.58 × 66,931.75
  4. Step 4: Simplify right side
    112,277.17x = 10,370,310,301.92
  5. Step 5: Solve for x
    x = 10,370,310,301.92/112,277.17
  6. Step 6: Final answer
    x = 92,363.48

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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.