Home / 125,388.89-173,036.68-71,675.08

Finding the Fourth Proportional to 125,388.89, 173,036.68 and 71,675.08

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Solution

The fourth proportional to 125,388.89, 173,036.68 and 71,675.08 is: 98,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,388.89 : 173,036.68 = 71,675.08 : x
  2. Step 2: Convert to fraction form
    125,388.89/173,036.68 = 71,675.08/x
  3. Step 3: Cross multiply
    125,388.89x = 173,036.68 × 71,675.08
  4. Step 4: Simplify right side
    125,388.89x = 12,402,417,270.16
  5. Step 5: Solve for x
    x = 12,402,417,270.16/125,388.89
  6. Step 6: Final answer
    x = 98,911.61

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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.