Home / 148,547.34-204,994.40-80,565.93

Finding the Fourth Proportional to 148,547.34, 204,994.40 and 80,565.93

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Solution

The fourth proportional to 148,547.34, 204,994.40 and 80,565.93 is: 111,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,547.34 : 204,994.40 = 80,565.93 : x
  2. Step 2: Convert to fraction form
    148,547.34/204,994.40 = 80,565.93/x
  3. Step 3: Cross multiply
    148,547.34x = 204,994.40 × 80,565.93
  4. Step 4: Simplify right side
    148,547.34x = 16,515,564,077.96
  5. Step 5: Solve for x
    x = 16,515,564,077.96/148,547.34
  6. Step 6: Final answer
    x = 111,180.48

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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.