Home / 125,461.40-173,125.22-74,465.42

Finding the Fourth Proportional to 125,461.40, 173,125.22 and 74,465.42

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Solution

The fourth proportional to 125,461.40, 173,125.22 and 74,465.42 is: 102,755.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,461.40 : 173,125.22 = 74,465.42 : x
  2. Step 2: Convert to fraction form
    125,461.40/173,125.22 = 74,465.42/x
  3. Step 3: Cross multiply
    125,461.40x = 173,125.22 × 74,465.42
  4. Step 4: Simplify right side
    125,461.40x = 12,891,842,219.89
  5. Step 5: Solve for x
    x = 12,891,842,219.89/125,461.40
  6. Step 6: Final answer
    x = 102,755.45

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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.