Home / 125,379.16-186,765.63-118,588.39

Finding the Fourth Proportional to 125,379.16, 186,765.63 and 118,588.39

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Solution

The fourth proportional to 125,379.16, 186,765.63 and 118,588.39 is: 176,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,379.16 : 186,765.63 = 118,588.39 : x
  2. Step 2: Convert to fraction form
    125,379.16/186,765.63 = 118,588.39/x
  3. Step 3: Cross multiply
    125,379.16x = 186,765.63 × 118,588.39
  4. Step 4: Simplify right side
    125,379.16x = 22,148,234,776.09
  5. Step 5: Solve for x
    x = 22,148,234,776.09/125,379.16
  6. Step 6: Final answer
    x = 176,650.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.