Home / 111,944.10-167,916.15-86,574.90

Finding the Fourth Proportional to 111,944.10, 167,916.15 and 86,574.90

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Solution

The fourth proportional to 111,944.10, 167,916.15 and 86,574.90 is: 129,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.10 : 167,916.15 = 86,574.90 : x
  2. Step 2: Convert to fraction form
    111,944.10/167,916.15 = 86,574.90/x
  3. Step 3: Cross multiply
    111,944.10x = 167,916.15 × 86,574.90
  4. Step 4: Simplify right side
    111,944.10x = 14,537,323,894.64
  5. Step 5: Solve for x
    x = 14,537,323,894.64/111,944.10
  6. Step 6: Final answer
    x = 129,862.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.