Home / 125,708.12-173,466.90-74,017.04

Finding the Fourth Proportional to 125,708.12, 173,466.90 and 74,017.04

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Solution

The fourth proportional to 125,708.12, 173,466.90 and 74,017.04 is: 102,137.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708.12 : 173,466.90 = 74,017.04 : x
  2. Step 2: Convert to fraction form
    125,708.12/173,466.90 = 74,017.04/x
  3. Step 3: Cross multiply
    125,708.12x = 173,466.90 × 74,017.04
  4. Step 4: Simplify right side
    125,708.12x = 12,839,506,475.98
  5. Step 5: Solve for x
    x = 12,839,506,475.98/125,708.12
  6. Step 6: Final answer
    x = 102,137.45

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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.