Home / 125,688.83-173,392.79-111,363.27

Finding the Fourth Proportional to 125,688.83, 173,392.79 and 111,363.27

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Solution

The fourth proportional to 125,688.83, 173,392.79 and 111,363.27 is: 153,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.83 : 173,392.79 = 111,363.27 : x
  2. Step 2: Convert to fraction form
    125,688.83/173,392.79 = 111,363.27/x
  3. Step 3: Cross multiply
    125,688.83x = 173,392.79 × 111,363.27
  4. Step 4: Simplify right side
    125,688.83x = 19,309,586,881.78
  5. Step 5: Solve for x
    x = 19,309,586,881.78/125,688.83
  6. Step 6: Final answer
    x = 153,630.10

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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.