Home / 125,991.04-173,868.10-69,402.28

Finding the Fourth Proportional to 125,991.04, 173,868.10 and 69,402.28

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Solution

The fourth proportional to 125,991.04, 173,868.10 and 69,402.28 is: 95,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,991.04 : 173,868.10 = 69,402.28 : x
  2. Step 2: Convert to fraction form
    125,991.04/173,868.10 = 69,402.28/x
  3. Step 3: Cross multiply
    125,991.04x = 173,868.10 × 69,402.28
  4. Step 4: Simplify right side
    125,991.04x = 12,066,842,559.27
  5. Step 5: Solve for x
    x = 12,066,842,559.27/125,991.04
  6. Step 6: Final answer
    x = 95,775.40

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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.