Home / 125,381.16-186,768.60-118,590.39

Finding the Fourth Proportional to 125,381.16, 186,768.60 and 118,590.39

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Solution

The fourth proportional to 125,381.16, 186,768.60 and 118,590.39 is: 176,653.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,381.16 : 186,768.60 = 118,590.39 : x
  2. Step 2: Convert to fraction form
    125,381.16/186,768.60 = 118,590.39/x
  3. Step 3: Cross multiply
    125,381.16x = 186,768.60 × 118,590.39
  4. Step 4: Simplify right side
    125,381.16x = 22,148,961,113.75
  5. Step 5: Solve for x
    x = 22,148,961,113.75/125,381.16
  6. Step 6: Final answer
    x = 176,653.02

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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.